From e876ae0dd996b51318bc59a859a0c3af3d668e03 Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Mon, 8 Mar 2021 14:29:20 +0100
Subject: [PATCH] Revert "fix(jest-runner): handle test failures with circular
 objects (#10981) (#11172)

---
 CHANGELOG.md                             | 1 -
 e2e/__tests__/circularInequality.test.ts | 2 +-
 packages/jest-runner/src/index.ts        | 7 +------
 3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32643cd73b8c..30131f5f1639 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -50,7 +50,6 @@
 - `[jest-reporter]` Handle empty files when reporting code coverage with V8 ([#10819](https://github.com/facebook/jest/pull/10819))
 - `[jest-resolve]` Replace read-pkg-up with escalade package ([#10781](https://github.com/facebook/jest/pull/10781))
 - `[jest-resolve]` Disable `jest-pnp-resolver` for Yarn 2 ([#10847](https://github.com/facebook/jest/pull/10847))
-- `[jest-runner]` Handle test failures with circular objects ([#10981](https://github.com/facebook/jest/pull/10981))
 - `[jest-runtime]` [**BREAKING**] Do not inject `global` variable into module wrapper ([#10644](https://github.com/facebook/jest/pull/10644))
 - `[jest-runtime]` [**BREAKING**] remove long-deprecated `jest.addMatchers`, `jest.resetModuleRegistry`, and `jest.runTimersToTime` ([#9853](https://github.com/facebook/jest/pull/9853))
 - `[jest-runtime]` Fix stack overflow and promise deadlock when importing mutual dependant ES module ([#10892](https://github.com/facebook/jest/pull/10892))
diff --git a/e2e/__tests__/circularInequality.test.ts b/e2e/__tests__/circularInequality.test.ts
index 49a87762e950..a74ef44df19c 100644
--- a/e2e/__tests__/circularInequality.test.ts
+++ b/e2e/__tests__/circularInequality.test.ts
@@ -26,7 +26,7 @@ afterEach(() => {
   cleanup(tempDir);
 });
 
-test('handles circular inequality properly', async () => {
+test.skip('handles circular inequality properly', async () => {
   const testFileContent = `
     it('test', () => {
       const foo = {};
diff --git a/packages/jest-runner/src/index.ts b/packages/jest-runner/src/index.ts
index 19c1bd14d18a..b58d881416f4 100644
--- a/packages/jest-runner/src/index.ts
+++ b/packages/jest-runner/src/index.ts
@@ -166,12 +166,7 @@ export default class TestRunner {
 
     const worker = new Worker(TEST_WORKER_PATH, {
       exposedMethods: ['worker'],
-      forkOptions: {
-        // use advanced serialization in order to transfer objects with circular references
-        // @ts-expect-error: option does not exist on the node 10 types
-        serialization: 'advanced',
-        stdio: 'pipe',
-      },
+      forkOptions: {stdio: 'pipe'},
       maxRetries: 3,
       numWorkers: this._globalConfig.maxWorkers,
       setupArgs: [