chore(tests): updated test regex, some helper scripts (webpack#809)

ISSUES CLOSED: webpack#808

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**What kind of change does this PR introduce?**
Updated test regex to run all tests, added some helper scripts for running tests
<!-- E.g. a bugfix, feature, refactoring, build related change, etc… -->

**Did you add tests for your changes?**
Yes

**If relevant, did you update the documentation?**
Yes

**Summary**
* Updated tests regex to run all tests
* Added helper scripts to run cli and package tests separately
<!-- Explain the **motivation** for making this change. What existing problem does the pull request solve? -->
<!-- Try to link to an open issue for more information. -->

**Does this PR introduce a breaking change?**
No
<!-- If this PR introduces a breaking change, please describe the impact and a migration path for existing applications. -->

**Other information**

.github/CONTRIBUTING.md

@@ -83,6 +83,18 @@ In case you are suggesting a new feature, we will match your idea with our curre
   npm run test
   ```
 
+* Run CLI tests with:
+
+  ```bash
+  npm run test:cli
+  ```
+
+* Run tests of all packages:
+
+  ```bash
+  npm run test:packages
+  ```
+
 * Test a single CLI test case:
 
   ```bash
@@ -110,6 +122,18 @@ In case you are suggesting a new feature, we will match your idea with our curre
   yarn test
   ```
 
+* Run CLI tests with:
+
+  ```bash
+  yarn test:cli`
+  ```
+
+* Run tests of all packages:
+
+  ```bash
+  yarn test:packages
+  ```
+
 * Test a single CLI test case:
 
   ```bash

package.json

@@ -40,6 +40,8 @@
     "pretest": "npm run build && npm run lint && npm run tslint",
     "reportCoverage": "nyc report --reporter=json && codecov -f coverage/coverage-final.json --disable=gcov",
     "test": "nyc jest --maxWorkers=4 --reporters=default --reporters=jest-junit",
+    "test:cli": "nyc jest test/ --maxWorkers=4 --reporters=default --reporters=jest-junit",
+    "test:packages": "nyc jest packages/ --maxWorkers=4 --reporters=default --reporters=jest-junit",
     "test:ci": "nyc jest --maxWorkers=$(nproc) --reporters=default --reporters=jest-junit",
     "travis:integration": "npm run build && npm run test && npm run reportCoverage",
     "travis:lint": "npm run build && npm run lint && npm run tslint",
@@ -76,7 +78,10 @@
     "transform": {
       "^.+\\.(ts)?$": "ts-jest"
     },
-    "testRegex": "/__tests__/.*\\.(test.js|test.ts)$",
+    "testRegex": [
+      "/__tests__/.*\\.(test.js|test.ts)$",
+      "/test/.*\\.(test.js|test.ts)$"
+    ],
     "moduleFileExtensions": [
       "ts",
       "js",

test/binCases/stats/single-config/single-config.test.js

@@ -6,8 +6,8 @@ jest.setTimeout(10E6);
 
 const { run, extractSummary } = require("../../../testUtils");
 
-test("single-config", async done => {
-	const { code, stdout, stderr } = await run(__dirname);
+test("single-config", done => {
+	const { code, stdout, stderr } = run(__dirname);
 
 	const summary = extractSummary(stdout);
 

test/binCases/watch/info-verbosity-off/info-verbosity-off.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("info-verbosity-off", async done => {
+test.skip("info-verbosity-off", done => {
 	var webpackProc = runAndGetWatchProc(__dirname, [
 		"--entry ",
 		"./index.js",

test/binCases/watch/info-verbosity-verbose/info-verbosity-verbose.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("info-verbosity-verbose", async done => {
+test.skip("info-verbosity-verbose", done => {
 	const webpackProc = runAndGetWatchProc(__dirname, [
 		"--entry ",
 		"./index.js",

test/binCases/watch/multi-config-watch-opt/multi-config-watch-opt.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("multi-config-watch-opt", async done => {
+test.skip("multi-config-watch-opt", done => {
 	const webpackProc = runAndGetWatchProc(__dirname, [
 		"--entry",
 		"./index.js",

test/binCases/watch/multi-config/multi-config.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("multi-config", async done => {
+test.skip("multi-config", done => {
 	const webpackProc = runAndGetWatchProc(__dirname);
 
 	// info-verbosity is set to info by default

test/binCases/watch/single-config-watch-opt/single-config-watch-opt.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("single-config-watch-opt", async done => {
+test.skip("single-config-watch-opt", done => {
 	const webpackProc = runAndGetWatchProc(__dirname, [
 		"--entry",
 		"./index.js",

test/binCases/watch/single-config/single-config.test.js

@@ -28,7 +28,7 @@ afterEach(() => {
 	}
 });
 
-test.skip("single-config", async(done) => {
+test.skip("single-config", done => {
 	const webpackProc = runAndGetWatchProc(__dirname, [
 		"--entry",
 		"./index.js",