From ac84e2024fc476059d78d69c9ca57b19ac877fa9 Mon Sep 17 00:00:00 2001
From: ranieri innocenti <ranieri.innocenti@timify.com>
Date: Mon, 9 Oct 2023 17:32:50 +0200
Subject: [PATCH 1/2] Updating for v9: update dependencies and CI

---
 .github/workflows/ci.yml | 2 +-
 package.json             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77fc889..0697de9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [14, 16, 18]
+        node-version: [18, 20]
     steps:
       - name: Check out repo
         uses: actions/checkout@v4
diff --git a/package.json b/package.json
index 5058e95..f4c3b42 100644
--- a/package.json
+++ b/package.json
@@ -32,11 +32,11 @@
     "test-types"
   ],
   "devDependencies": {
+    "@fastify/pre-commit": "^2.0.2",
     "@types/node": "^20.1.0",
-    "pre-commit": "^1.2.2",
     "snazzy": "^9.0.0",
     "standard": "^17.0.0",
-    "tap": "^15.0.10",
+    "tap": "^16.3.9",
     "tsd": "^0.29.0",
     "typescript": "^5.0.2"
   },

From 1c52a897337bfb5e881b79746707f1dd83917c53 Mon Sep 17 00:00:00 2001
From: codershiba <155646804+codershiba@users.noreply.github.com>
Date: Tue, 5 Mar 2024 23:28:00 +0530
Subject: [PATCH 2/2] feat: Port tests from `tap` to `node:assert` and
 `node:test` (#141)

* Bump actions/setup-node from 3 to 4 (#138)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3 to 4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump tsd from 0.29.0 to 0.30.0 (#139)

Bumps [tsd](https://github.com/tsdjs/tsd) from 0.29.0 to 0.30.0.
- [Release notes](https://github.com/tsdjs/tsd/releases)
- [Commits](https://github.com/tsdjs/tsd/compare/v0.29.0...v0.30.0)

---
updated-dependencies:
- dependency-name: tsd
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump actions/dependency-review-action from 3 to 4 (#142)

Bumps [actions/dependency-review-action](https://github.com/actions/dependency-review-action) from 3 to 4.
- [Release notes](https://github.com/actions/dependency-review-action/releases)
- [Commits](https://github.com/actions/dependency-review-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/dependency-review-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* feat: Port tests from `tap` to `node:test`

* chore(deps): Update `@types/node` to v`20.11.17`

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
---
 .github/workflows/ci.yml    |   4 +-
 .taprc                      |   2 -
 package.json                |  17 +--
 test/err-with-cause.test.js | 160 +++++++++++-------------
 test/err.test.js            | 167 ++++++++++++-------------
 test/req.test.js            | 240 +++++++++++++++++++++---------------
 test/res.test.js            |  73 ++++++-----
 7 files changed, 343 insertions(+), 320 deletions(-)
 delete mode 100644 .taprc

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0697de9..1310c86 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
           persist-credentials: false
 
       - name: Dependency review
-        uses: actions/dependency-review-action@v3
+        uses: actions/dependency-review-action@v4
 
   test:
     name: Test
@@ -47,7 +47,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Node ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
 
diff --git a/.taprc b/.taprc
deleted file mode 100644
index 723b65b..0000000
--- a/.taprc
+++ /dev/null
@@ -1,2 +0,0 @@
-files:
-- test/**/*.test.js
diff --git a/package.json b/package.json
index f4c3b42..44234dc 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,8 @@
   "scripts": {
     "lint": "standard | snazzy",
     "lint-ci": "standard",
-    "test": "tap --no-cov",
-    "test-ci": "tap --cov --no-check-coverage --coverage-report=text",
+    "test": "borp -p 'test/**/*.js'",
+    "test-ci": "borp --coverage -p 'test/**/*.js'",
     "test-types": "tsc && tsd"
   },
   "repository": {
@@ -32,13 +32,14 @@
     "test-types"
   ],
   "devDependencies": {
-    "@fastify/pre-commit": "^2.0.2",
-    "@types/node": "^20.1.0",
+    "@matteo.collina/tspl": "^0.1.1",
+    "@types/node": "^20.11.17",
+    "borp": "^0.9.1",
+    "pre-commit": "^1.2.2",
     "snazzy": "^9.0.0",
-    "standard": "^17.0.0",
-    "tap": "^16.3.9",
-    "tsd": "^0.29.0",
-    "typescript": "^5.0.2"
+    "standard": "^17.1.0",
+    "tsd": "^0.30.4",
+    "typescript": "^5.3.3"
   },
   "tsd": {
     "directory": "test/types"
diff --git a/test/err-with-cause.test.js b/test/err-with-cause.test.js
index bb87a56..15f356a 100644
--- a/test/err-with-cause.test.js
+++ b/test/err-with-cause.test.js
@@ -1,54 +1,50 @@
 'use strict'
 
-const test = require('tap').test
+const { test } = require('node:test')
+const assert = require('node:assert')
 const serializer = require('../lib/err-with-cause')
-const wrapErrorSerializer = require('../').wrapErrorSerializer
+const { wrapErrorSerializer } = require('../')
 
-test('serializes Error objects', function (t) {
-  t.plan(3)
+test('serializes Error objects', () => {
   const serialized = serializer(Error('foo'))
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
 })
 
-test('serializes Error objects with extra properties', function (t) {
-  t.plan(5)
+test('serializes Error objects with extra properties', () => {
   const err = Error('foo')
   err.statusCode = 500
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.ok(serialized.statusCode)
-  t.equal(serialized.statusCode, 500)
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.ok(serialized.statusCode)
+  assert.strictEqual(serialized.statusCode, 500)
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
 })
 
-test('serializes Error objects with subclass "type"', function (t) {
-  t.plan(1)
-
+test('serializes Error objects with subclass "type"', () => {
   class MyError extends Error {}
 
   const err = new MyError('foo')
   const serialized = serializer(err)
-  t.equal(serialized.type, 'MyError')
+  assert.strictEqual(serialized.type, 'MyError')
 })
 
-test('serializes nested errors', function (t) {
-  t.plan(7)
+test('serializes nested errors', () => {
   const err = Error('foo')
   err.inner = Error('bar')
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
-  t.equal(serialized.inner.type, 'Error')
-  t.equal(serialized.inner.message, 'bar')
-  t.match(serialized.inner.stack, /Error: bar/)
-  t.match(serialized.inner.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.inner.type, 'Error')
+  assert.strictEqual(serialized.inner.message, 'bar')
+  assert.match(serialized.inner.stack, /Error: bar/)
+  assert.match(serialized.inner.stack, /err-with-cause\.test\.js:/)
 })
 
-test('serializes error causes', function (t) {
+test('serializes error causes', () => {
   const innerErr = Error('inner')
   const middleErr = Error('middle')
   middleErr.cause = innerErr
@@ -57,44 +53,39 @@ test('serializes error causes', function (t) {
 
   const serialized = serializer(outerErr)
 
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'outer')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
-
-  t.equal(serialized.cause.type, 'Error')
-  t.equal(serialized.cause.message, 'middle')
-  t.match(serialized.cause.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'outer')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
 
-  t.equal(serialized.cause.cause.type, 'Error')
-  t.equal(serialized.cause.cause.message, 'inner')
-  t.match(serialized.cause.cause.stack, /err-with-cause\.test\.js:/)
+  assert.strictEqual(serialized.cause.type, 'Error')
+  assert.strictEqual(serialized.cause.message, 'middle')
+  assert.match(serialized.cause.stack, /err-with-cause\.test\.js:/)
 
-  t.end()
+  assert.strictEqual(serialized.cause.cause.type, 'Error')
+  assert.strictEqual(serialized.cause.cause.message, 'inner')
+  assert.match(serialized.cause.cause.stack, /err-with-cause\.test\.js:/)
 })
 
-test('keeps non-error cause', function (t) {
-  t.plan(3)
+test('keeps non-error cause', () => {
   const err = Error('foo')
   err.cause = 'abc'
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.equal(serialized.cause, 'abc')
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.strictEqual(serialized.cause, 'abc')
 })
 
-test('prevents infinite recursion', function (t) {
-  t.plan(4)
+test('prevents infinite recursion', () => {
   const err = Error('foo')
   err.inner = err
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
-  t.notOk(serialized.inner)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.ok(!serialized.inner)
 })
 
-test('cleans up infinite recursion tracking', function (t) {
-  t.plan(8)
+test('cleans up infinite recursion tracking', () => {
   const err = Error('foo')
   const bar = Error('bar')
   err.inner = bar
@@ -103,29 +94,26 @@ test('cleans up infinite recursion tracking', function (t) {
   serializer(err)
   const serialized = serializer(err)
 
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
-  t.ok(serialized.inner)
-  t.equal(serialized.inner.type, 'Error')
-  t.equal(serialized.inner.message, 'bar')
-  t.match(serialized.inner.stack, /Error: bar/)
-  t.notOk(serialized.inner.inner)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.ok(serialized.inner)
+  assert.strictEqual(serialized.inner.type, 'Error')
+  assert.strictEqual(serialized.inner.message, 'bar')
+  assert.match(serialized.inner.stack, /Error: bar/)
+  assert.ok(!serialized.inner.inner)
 })
 
-test('err.raw is available', function (t) {
-  t.plan(1)
+test('err.raw is available', () => {
   const err = Error('foo')
   const serialized = serializer(err)
-  t.equal(serialized.raw, err)
+  assert.strictEqual(serialized.raw, err)
 })
 
-test('redefined err.constructor doesnt crash serializer', function (t) {
-  t.plan(10)
-
+test('redefined err.constructor doesnt crash serializer', () => {
   function check (a, name) {
-    t.equal(a.type, name)
-    t.equal(a.message, 'foo')
+    assert.strictEqual(a.type, name)
+    assert.strictEqual(a.message, 'foo')
   }
 
   const err1 = TypeError('foo')
@@ -154,11 +142,9 @@ test('redefined err.constructor doesnt crash serializer', function (t) {
   check(serializer(err5), 'Error')
 })
 
-test('pass through anything that does not look like an Error', function (t) {
-  t.plan(3)
-
+test('pass through anything that does not look like an Error', () => {
   function check (a) {
-    t.equal(serializer(a), a)
+    assert.strictEqual(serializer(a), a)
   }
 
   check('foo')
@@ -166,8 +152,7 @@ test('pass through anything that does not look like an Error', function (t) {
   check([1, 2])
 })
 
-test('can wrap err serializers', function (t) {
-  t.plan(5)
+test('can wrap err serializers', () => {
   const err = Error('foo')
   err.foo = 'foo'
   const serializer = wrapErrorSerializer(function (err) {
@@ -176,15 +161,14 @@ test('can wrap err serializers', function (t) {
     return err
   })
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err-with-cause\.test\.js:/)
-  t.notOk(serialized.foo)
-  t.equal(serialized.bar, 'bar')
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err-with-cause\.test\.js:/)
+  assert.ok(!serialized.foo)
+  assert.strictEqual(serialized.bar, 'bar')
 })
 
-test('serializes aggregate errors', { skip: !global.AggregateError }, function (t) {
-  t.plan(14)
+test('serializes aggregate errors', { skip: !global.AggregateError }, () => {
   const foo = new Error('foo')
   const bar = new Error('bar')
   for (const aggregate of [
@@ -192,12 +176,12 @@ test('serializes aggregate errors', { skip: !global.AggregateError }, function (
     { errors: [foo, bar], message: 'aggregated message', stack: 'err-with-cause.test.js:' }
   ]) {
     const serialized = serializer(aggregate)
-    t.equal(serialized.message, 'aggregated message')
-    t.equal(serialized.aggregateErrors.length, 2)
-    t.equal(serialized.aggregateErrors[0].message, 'foo')
-    t.equal(serialized.aggregateErrors[1].message, 'bar')
-    t.match(serialized.aggregateErrors[0].stack, /^Error: foo/)
-    t.match(serialized.aggregateErrors[1].stack, /^Error: bar/)
-    t.match(serialized.stack, /err-with-cause\.test\.js:/)
+    assert.strictEqual(serialized.message, 'aggregated message')
+    assert.strictEqual(serialized.aggregateErrors.length, 2)
+    assert.strictEqual(serialized.aggregateErrors[0].message, 'foo')
+    assert.strictEqual(serialized.aggregateErrors[1].message, 'bar')
+    assert.match(serialized.aggregateErrors[0].stack, /^Error: foo/)
+    assert.match(serialized.aggregateErrors[1].stack, /^Error: bar/)
+    assert.match(serialized.stack, /err-with-cause\.test\.js:/)
   }
 })
diff --git a/test/err.test.js b/test/err.test.js
index 96aa5e3..0aecb07 100644
--- a/test/err.test.js
+++ b/test/err.test.js
@@ -1,53 +1,49 @@
 'use strict'
 
-const test = require('tap').test
+const assert = require('node:assert')
+const { test } = require('node:test')
 const serializer = require('../lib/err')
-const wrapErrorSerializer = require('../').wrapErrorSerializer
+const { wrapErrorSerializer } = require('../')
 
-test('serializes Error objects', function (t) {
-  t.plan(3)
+test('serializes Error objects', () => {
   const serialized = serializer(Error('foo'))
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err\.test\.js:/)
 })
 
-test('serializes Error objects with extra properties', function (t) {
-  t.plan(5)
+test('serializes Error objects with extra properties', () => {
   const err = Error('foo')
   err.statusCode = 500
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.ok(serialized.statusCode)
-  t.equal(serialized.statusCode, 500)
-  t.match(serialized.stack, /err\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.ok(serialized.statusCode)
+  assert.strictEqual(serialized.statusCode, 500)
+  assert.match(serialized.stack, /err\.test\.js:/)
 })
 
-test('serializes Error objects with subclass "type"', function (t) {
-  t.plan(1)
+test('serializes Error objects with subclass "type"', () => {
   class MyError extends Error {}
   const err = new MyError('foo')
   const serialized = serializer(err)
-  t.equal(serialized.type, 'MyError')
+  assert.strictEqual(serialized.type, 'MyError')
 })
 
-test('serializes nested errors', function (t) {
-  t.plan(7)
+test('serializes nested errors', () => {
   const err = Error('foo')
   err.inner = Error('bar')
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err\.test\.js:/)
-  t.equal(serialized.inner.type, 'Error')
-  t.equal(serialized.inner.message, 'bar')
-  t.match(serialized.inner.stack, /Error: bar/)
-  t.match(serialized.inner.stack, /err\.test\.js:/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err\.test\.js:/)
+  assert.strictEqual(serialized.inner.type, 'Error')
+  assert.strictEqual(serialized.inner.message, 'bar')
+  assert.match(serialized.inner.stack, /Error: bar/)
+  assert.match(serialized.inner.stack, /err\.test\.js:/)
 })
 
-test('serializes error causes', function (t) {
-  t.plan(14)
+test('serializes error causes', () => {
   for (const cause of [
     Error('bar'),
     { message: 'bar', stack: 'Error: bar: err.test.js:' }
@@ -56,18 +52,17 @@ test('serializes error causes', function (t) {
     err.cause = cause
     err.cause.cause = Error('abc')
     const serialized = serializer(err)
-    t.equal(serialized.type, 'Error')
-    t.equal(serialized.message, 'foo: bar: abc')
-    t.match(serialized.stack, /err\.test\.js:/)
-    t.match(serialized.stack, /Error: foo/)
-    t.match(serialized.stack, /Error: bar/)
-    t.match(serialized.stack, /Error: abc/)
-    t.notOk(serialized.cause)
+    assert.strictEqual(serialized.type, 'Error')
+    assert.strictEqual(serialized.message, 'foo: bar: abc')
+    assert.match(serialized.stack, /err\.test\.js:/)
+    assert.match(serialized.stack, /Error: foo/)
+    assert.match(serialized.stack, /Error: bar/)
+    assert.match(serialized.stack, /Error: abc/)
+    assert.ok(!serialized.cause)
   }
 })
 
 test('serializes error causes with VError support', function (t) {
-  t.plan(6)
   // Fake VError-style setup
   const err = Error('foo: bar')
   err.foo = 'abc'
@@ -77,37 +72,34 @@ test('serializes error causes with VError support', function (t) {
     return err
   }
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo: bar: abc')
-  t.match(serialized.stack, /err\.test\.js:/)
-  t.match(serialized.stack, /Error: foo/)
-  t.match(serialized.stack, /Error: bar/)
-  t.match(serialized.stack, /Error: abc/)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo: bar: abc')
+  assert.match(serialized.stack, /err\.test\.js:/)
+  assert.match(serialized.stack, /Error: foo/)
+  assert.match(serialized.stack, /Error: bar/)
+  assert.match(serialized.stack, /Error: abc/)
 })
 
-test('keeps non-error cause', function (t) {
-  t.plan(3)
+test('keeps non-error cause', () => {
   const err = Error('foo')
   err.cause = 'abc'
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.equal(serialized.cause, 'abc')
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.strictEqual(serialized.cause, 'abc')
 })
 
-test('prevents infinite recursion', function (t) {
-  t.plan(4)
+test('prevents infinite recursion', () => {
   const err = Error('foo')
   err.inner = err
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err\.test\.js:/)
-  t.notOk(serialized.inner)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err\.test\.js:/)
+  assert.ok(!serialized.inner)
 })
 
-test('cleans up infinite recursion tracking', function (t) {
-  t.plan(8)
+test('cleans up infinite recursion tracking', () => {
   const err = Error('foo')
   const bar = Error('bar')
   err.inner = bar
@@ -116,29 +108,26 @@ test('cleans up infinite recursion tracking', function (t) {
   serializer(err)
   const serialized = serializer(err)
 
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err\.test\.js:/)
-  t.ok(serialized.inner)
-  t.equal(serialized.inner.type, 'Error')
-  t.equal(serialized.inner.message, 'bar')
-  t.match(serialized.inner.stack, /Error: bar/)
-  t.notOk(serialized.inner.inner)
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err\.test\.js:/)
+  assert.ok(serialized.inner)
+  assert.strictEqual(serialized.inner.type, 'Error')
+  assert.strictEqual(serialized.inner.message, 'bar')
+  assert.match(serialized.inner.stack, /Error: bar/)
+  assert.ok(!serialized.inner.inner)
 })
 
-test('err.raw is available', function (t) {
-  t.plan(1)
+test('err.raw is available', () => {
   const err = Error('foo')
   const serialized = serializer(err)
-  t.equal(serialized.raw, err)
+  assert.strictEqual(serialized.raw, err)
 })
 
-test('redefined err.constructor doesnt crash serializer', function (t) {
-  t.plan(10)
-
+test('redefined err.constructor doesnt crash serializer', () => {
   function check (a, name) {
-    t.equal(a.type, name)
-    t.equal(a.message, 'foo')
+    assert.strictEqual(a.type, name)
+    assert.strictEqual(a.message, 'foo')
   }
 
   const err1 = TypeError('foo')
@@ -166,11 +155,9 @@ test('redefined err.constructor doesnt crash serializer', function (t) {
   check(serializer(err5), 'Error')
 })
 
-test('pass through anything that does not look like an Error', function (t) {
-  t.plan(3)
-
+test('pass through anything that does not look like an Error', () => {
   function check (a) {
-    t.equal(serializer(a), a)
+    assert.strictEqual(serializer(a), a)
   }
 
   check('foo')
@@ -178,8 +165,7 @@ test('pass through anything that does not look like an Error', function (t) {
   check([1, 2])
 })
 
-test('can wrap err serializers', function (t) {
-  t.plan(5)
+test('can wrap err serializers', () => {
   const err = Error('foo')
   err.foo = 'foo'
   const serializer = wrapErrorSerializer(function (err) {
@@ -188,15 +174,14 @@ test('can wrap err serializers', function (t) {
     return err
   })
   const serialized = serializer(err)
-  t.equal(serialized.type, 'Error')
-  t.equal(serialized.message, 'foo')
-  t.match(serialized.stack, /err\.test\.js:/)
-  t.notOk(serialized.foo)
-  t.equal(serialized.bar, 'bar')
+  assert.strictEqual(serialized.type, 'Error')
+  assert.strictEqual(serialized.message, 'foo')
+  assert.match(serialized.stack, /err\.test\.js:/)
+  assert.ok(!serialized.foo)
+  assert.strictEqual(serialized.bar, 'bar')
 })
 
-test('serializes aggregate errors', { skip: !global.AggregateError }, function (t) {
-  t.plan(14)
+test('serializes aggregate errors', { skip: !global.AggregateError }, () => {
   const foo = new Error('foo')
   const bar = new Error('bar')
   for (const aggregate of [
@@ -204,12 +189,12 @@ test('serializes aggregate errors', { skip: !global.AggregateError }, function (
     { errors: [foo, bar], message: 'aggregated message', stack: 'err.test.js:' }
   ]) {
     const serialized = serializer(aggregate)
-    t.equal(serialized.message, 'aggregated message')
-    t.equal(serialized.aggregateErrors.length, 2)
-    t.equal(serialized.aggregateErrors[0].message, 'foo')
-    t.equal(serialized.aggregateErrors[1].message, 'bar')
-    t.match(serialized.aggregateErrors[0].stack, /^Error: foo/)
-    t.match(serialized.aggregateErrors[1].stack, /^Error: bar/)
-    t.match(serialized.stack, /err\.test\.js:/)
+    assert.strictEqual(serialized.message, 'aggregated message')
+    assert.strictEqual(serialized.aggregateErrors.length, 2)
+    assert.strictEqual(serialized.aggregateErrors[0].message, 'foo')
+    assert.strictEqual(serialized.aggregateErrors[1].message, 'bar')
+    assert.match(serialized.aggregateErrors[0].stack, /^Error: foo/)
+    assert.match(serialized.aggregateErrors[1].stack, /^Error: bar/)
+    assert.match(serialized.stack, /err\.test\.js:/)
   }
 })
diff --git a/test/req.test.js b/test/req.test.js
index f777b5c..d8a6486 100644
--- a/test/req.test.js
+++ b/test/req.test.js
@@ -1,12 +1,13 @@
 'use strict'
 
-const http = require('http')
-const test = require('tap').test
+const { tspl } = require('@matteo.collina/tspl')
+const http = require('node:http')
+const { test } = require('node:test')
 const serializers = require('../lib/req')
-const wrapRequestSerializer = require('../').wrapRequestSerializer
+const { wrapRequestSerializer } = require('../')
 
-test('maps request', function (t) {
-  t.plan(2)
+test('maps request', async (t) => {
+  const p = tspl(t, { plan: 2 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -14,19 +15,20 @@ test('maps request', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     const serialized = serializers.mapHttpRequest(req)
-    t.ok(serialized.req)
-    t.ok(serialized.req.method)
-    t.end()
+    p.ok(serialized.req)
+    p.ok(serialized.req.method)
     res.end()
   }
+
+  await p.completed
 })
 
-test('does not return excessively long object', function (t) {
-  t.plan(1)
+test('does not return excessively long object', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -34,17 +36,19 @@ test('does not return excessively long object', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     const serialized = serializers.reqSerializer(req)
-    t.equal(Object.keys(serialized).length, 6)
+    p.strictEqual(Object.keys(serialized).length, 6)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.raw is available', function (t) {
-  t.plan(2)
+test('req.raw is available', async (t) => {
+  const p = tspl(t, { plan: 2 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -52,19 +56,21 @@ test('req.raw is available', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.foo = 'foo'
     const serialized = serializers.reqSerializer(req)
-    t.ok(serialized.raw)
-    t.equal(serialized.raw.foo, 'foo')
+    p.ok(serialized.raw)
+    p.strictEqual(serialized.raw.foo, 'foo')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.raw will be obtained in from input request raw property if input request raw property is truthy', function (t) {
-  t.plan(2)
+test('req.raw will be obtained in from input request raw property if input request raw property is truthy', async (t) => {
+  const p = tspl(t, { plan: 2 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -72,19 +78,21 @@ test('req.raw will be obtained in from input request raw property if input reque
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.raw = { req: { foo: 'foo' }, res: {} }
     const serialized = serializers.reqSerializer(req)
-    t.ok(serialized.raw)
-    t.equal(serialized.raw.req.foo, 'foo')
+    p.ok(serialized.raw)
+    p.strictEqual(serialized.raw.req.foo, 'foo')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.id defaults to undefined', function (t) {
-  t.plan(1)
+test('req.id defaults to undefined', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -92,17 +100,19 @@ test('req.id defaults to undefined', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.id, undefined)
+    p.strictEqual(serialized.id, undefined)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.id has a non-function value', function (t) {
-  t.plan(1)
+test('req.id has a non-function value', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -110,17 +120,19 @@ test('req.id has a non-function value', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     const serialized = serializers.reqSerializer(req)
-    t.equal(typeof serialized.id === 'function', false)
+    p.strictEqual(typeof serialized.id === 'function', false)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.id will be obtained from input request info.id when input request id does not exist', function (t) {
-  t.plan(1)
+test('req.id will be obtained from input request info.id when input request id does not exist', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -128,18 +140,20 @@ test('req.id will be obtained from input request info.id when input request id d
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.info = { id: 'test' }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.id, 'test')
+    p.strictEqual(serialized.id, 'test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.id has a non-function value with custom id function', function (t) {
-  t.plan(2)
+test('req.id has a non-function value with custom id function', async (t) => {
+  const p = tspl(t, { plan: 2 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -147,19 +161,21 @@ test('req.id has a non-function value with custom id function', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.id = function () { return 42 }
     const serialized = serializers.reqSerializer(req)
-    t.equal(typeof serialized.id === 'function', false)
-    t.equal(serialized.id, 42)
+    p.strictEqual(typeof serialized.id === 'function', false)
+    p.strictEqual(serialized.id, 42)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be obtained from input request req.path when input request url is an object', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request req.path when input request url is an object', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -167,18 +183,20 @@ test('req.url will be obtained from input request req.path when input request ur
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.path = '/test'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/test')
+    p.strictEqual(serialized.url, '/test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be obtained from input request url.path when input request url is an object', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request url.path when input request url is an object', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -186,18 +204,20 @@ test('req.url will be obtained from input request url.path when input request ur
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.url = { path: '/test' }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/test')
+    p.strictEqual(serialized.url, '/test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be obtained from input request url when input request url is not an object', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request url when input request url is not an object', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -205,18 +225,20 @@ test('req.url will be obtained from input request url when input request url is
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.url = '/test'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/test')
+    p.strictEqual(serialized.url, '/test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be empty when input request path and url are not defined', function (t) {
-  t.plan(1)
+test('req.url will be empty when input request path and url are not defined', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -224,17 +246,19 @@ test('req.url will be empty when input request path and url are not defined', fu
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/')
+    p.strictEqual(serialized.url, '/')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be obtained from input request originalUrl when available', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request originalUrl when available', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -242,18 +266,20 @@ test('req.url will be obtained from input request originalUrl when available', f
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.originalUrl = '/test'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/test')
+    p.strictEqual(serialized.url, '/test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url will be obtained from input request url when req path is a function', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request url when req path is a function', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -261,7 +287,7 @@ test('req.url will be obtained from input request url when req path is a functio
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.path = function () {
@@ -269,13 +295,15 @@ test('req.url will be obtained from input request url when req path is a functio
     }
     req.url = '/test'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, '/test')
+    p.strictEqual(serialized.url, '/test')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.url being undefined does not throw an error', function (t) {
-  t.plan(1)
+test('req.url being undefined does not throw an error', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -283,18 +311,20 @@ test('req.url being undefined does not throw an error', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.url = undefined
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.url, undefined)
+    p.strictEqual(serialized.url, undefined)
     res.end()
   }
+
+  await p.completed
 })
 
-test('can wrap request serializers', function (t) {
-  t.plan(3)
+test('can wrap request serializers', async (t) => {
+  const p = tspl(t, { plan: 3 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -302,24 +332,26 @@ test('can wrap request serializers', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   const serailizer = wrapRequestSerializer(function (req) {
-    t.ok(req.method)
-    t.equal(req.method, 'GET')
+    p.ok(req.method)
+    p.strictEqual(req.method, 'GET')
     delete req.method
     return req
   })
 
   function handler (req, res) {
     const serialized = serailizer(req)
-    t.notOk(serialized.method)
+    p.ok(!serialized.method)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.remoteAddress will be obtained from request socket.remoteAddress as fallback', function (t) {
-  t.plan(1)
+test('req.remoteAddress will be obtained from request socket.remoteAddress as fallback', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -327,18 +359,20 @@ test('req.remoteAddress will be obtained from request socket.remoteAddress as fa
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.socket = { remoteAddress: 'http://localhost' }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.remoteAddress, 'http://localhost')
+    p.strictEqual(serialized.remoteAddress, 'http://localhost')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.remoteAddress will be obtained from request info.remoteAddress if available', function (t) {
-  t.plan(1)
+test('req.remoteAddress will be obtained from request info.remoteAddress if available', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -346,18 +380,20 @@ test('req.remoteAddress will be obtained from request info.remoteAddress if avai
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.info = { remoteAddress: 'http://localhost' }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.remoteAddress, 'http://localhost')
+    p.strictEqual(serialized.remoteAddress, 'http://localhost')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.remotePort will be obtained from request socket.remotePort as fallback', function (t) {
-  t.plan(1)
+test('req.remotePort will be obtained from request socket.remotePort as fallback', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -365,18 +401,20 @@ test('req.remotePort will be obtained from request socket.remotePort as fallback
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.socket = { remotePort: 3000 }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.remotePort, 3000)
+    p.strictEqual(serialized.remotePort, 3000)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.remotePort will be obtained from request info.remotePort if available', function (t) {
-  t.plan(1)
+test('req.remotePort will be obtained from request info.remotePort if available', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -384,18 +422,20 @@ test('req.remotePort will be obtained from request info.remotePort if available'
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.info = { remotePort: 3000 }
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.remotePort, 3000)
+    p.strictEqual(serialized.remotePort, 3000)
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.query is available', function (t) {
-  t.plan(1)
+test('req.query is available', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -403,18 +443,20 @@ test('req.query is available', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.query = '/foo?bar=foobar&bar=foo'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.query, '/foo?bar=foobar&bar=foo')
+    p.strictEqual(serialized.query, '/foo?bar=foobar&bar=foo')
     res.end()
   }
+
+  await p.completed
 })
 
-test('req.params is available', function (t) {
-  t.plan(1)
+test('req.params is available', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -422,12 +464,14 @@ test('req.params is available', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   function handler (req, res) {
     req.params = '/foo/bar'
     const serialized = serializers.reqSerializer(req)
-    t.equal(serialized.params, '/foo/bar')
+    p.strictEqual(serialized.params, '/foo/bar')
     res.end()
   }
+
+  await p.completed
 })
diff --git a/test/res.test.js b/test/res.test.js
index 7a302bd..638afaf 100644
--- a/test/res.test.js
+++ b/test/res.test.js
@@ -2,13 +2,14 @@
 
 /* eslint-disable no-prototype-builtins */
 
-const http = require('http')
-const test = require('tap').test
+const { tspl } = require('@matteo.collina/tspl')
+const http = require('node:http')
+const { test } = require('node:test')
 const serializers = require('../lib/res')
-const wrapResponseSerializer = require('../').wrapResponseSerializer
+const { wrapResponseSerializer } = require('../')
 
-test('res.raw is not enumerable', function (t) {
-  t.plan(1)
+test('res.raw is not enumerable', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -16,17 +17,19 @@ test('res.raw is not enumerable', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
-  function handler (req, res) {
+  function handler (_req, res) {
     const serialized = serializers.resSerializer(res)
-    t.equal(serialized.propertyIsEnumerable('raw'), false)
+    p.strictEqual(serialized.propertyIsEnumerable('raw'), false)
     res.end()
   }
+
+  await p.completed
 })
 
-test('res.raw is available', function (t) {
-  t.plan(2)
+test('res.raw is available', async (t) => {
+  const p = tspl(t, { plan: 2 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -34,19 +37,21 @@ test('res.raw is available', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
-  function handler (req, res) {
+  function handler (_req, res) {
     res.statusCode = 200
     const serialized = serializers.resSerializer(res)
-    t.ok(serialized.raw)
-    t.equal(serialized.raw.statusCode, 200)
+    p.ok(serialized.raw)
+    p.strictEqual(serialized.raw.statusCode, 200)
     res.end()
   }
+
+  await p.completed
 })
 
-test('can wrap response serializers', function (t) {
-  t.plan(3)
+test('can wrap response serializers', async (t) => {
+  const p = tspl(t, { plan: 3 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -54,25 +59,27 @@ test('can wrap response serializers', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
   const serializer = wrapResponseSerializer(function (res) {
-    t.ok(res.statusCode)
-    t.equal(res.statusCode, 200)
+    p.ok(res.statusCode)
+    p.strictEqual(res.statusCode, 200)
     delete res.statusCode
     return res
   })
 
-  function handler (req, res) {
+  function handler (_req, res) {
     res.end()
     res.statusCode = 200
     const serialized = serializer(res)
-    t.notOk(serialized.statusCode)
+    p.ok(!serialized.statusCode)
   }
+
+  await p.completed
 })
 
-test('res.headers is serialized', function (t) {
-  t.plan(1)
+test('res.headers is serialized', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -80,18 +87,20 @@ test('res.headers is serialized', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
-  function handler (req, res) {
+  function handler (_req, res) {
     res.setHeader('x-custom', 'y')
     const serialized = serializers.resSerializer(res)
-    t.equal(serialized.headers['x-custom'], 'y')
+    p.strictEqual(serialized.headers['x-custom'], 'y')
     res.end()
   }
+
+  await p.completed
 })
 
-test('res.statusCode is null before headers are flushed', function (t) {
-  t.plan(1)
+test('req.url will be obtained from input request url when input request url is not an object', async (t) => {
+  const p = tspl(t, { plan: 1 })
 
   const server = http.createServer(handler)
   server.unref()
@@ -99,11 +108,13 @@ test('res.statusCode is null before headers are flushed', function (t) {
     http.get(server.address(), () => {})
   })
 
-  t.teardown(() => server.close())
+  t.after(() => server.close())
 
-  function handler (req, res) {
+  function handler (_req, res) {
     const serialized = serializers.resSerializer(res)
-    t.equal(serialized.statusCode, null)
+    p.strictEqual(serialized.statusCode, null)
     res.end()
   }
+
+  await p.completed
 })