From 803b7069e65c113510b6c5507d901140d35bd57a Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Tue, 20 Aug 2019 01:19:17 +0530
Subject: [PATCH 01/11] feat: Allow transforming jest-runner

---
 e2e/__tests__/transform.test.ts               | 11 +++
 .../transform-runner/__tests__/add.test.js    | 10 +++
 .../transform-runner/babel.config.js          | 18 +++++
 e2e/transform/transform-runner/package.json   | 11 +++
 e2e/transform/transform-runner/runner.ts      | 79 +++++++++++++++++++
 e2e/transform/transform-runner/tsconfig.json  |  6 ++
 packages/jest-core/src/TestScheduler.ts       |  6 +-
 .../src/__tests__/TestScheduler.test.js       | 18 +++--
 8 files changed, 152 insertions(+), 7 deletions(-)
 create mode 100644 e2e/transform/transform-runner/__tests__/add.test.js
 create mode 100644 e2e/transform/transform-runner/babel.config.js
 create mode 100644 e2e/transform/transform-runner/package.json
 create mode 100644 e2e/transform/transform-runner/runner.ts
 create mode 100644 e2e/transform/transform-runner/tsconfig.json

diff --git a/e2e/__tests__/transform.test.ts b/e2e/__tests__/transform.test.ts
index be5b7bf2735c..956a258b4d2d 100644
--- a/e2e/__tests__/transform.test.ts
+++ b/e2e/__tests__/transform.test.ts
@@ -216,3 +216,14 @@ describe('transform-environment', () => {
     expect(json.numPassedTests).toBe(1);
   });
 });
+
+describe('transform-runner', () => {
+  const dir = path.resolve(__dirname, '../transform/transform-runner');
+
+  it('should transform runner', () => {
+    const {json, stderr} = runWithJson(dir, ['--no-cache']);
+    expect(stderr).toMatch(/PASS/);
+    expect(json.success).toBe(true);
+    expect(json.numPassedTests).toBe(1);
+  });
+});
diff --git a/e2e/transform/transform-runner/__tests__/add.test.js b/e2e/transform/transform-runner/__tests__/add.test.js
new file mode 100644
index 000000000000..10dca79b8672
--- /dev/null
+++ b/e2e/transform/transform-runner/__tests__/add.test.js
@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+it('should add two numbers', () => {
+  expect(1 + 1).toBe(2);
+});
diff --git a/e2e/transform/transform-runner/babel.config.js b/e2e/transform/transform-runner/babel.config.js
new file mode 100644
index 000000000000..5e1e38eebb8d
--- /dev/null
+++ b/e2e/transform/transform-runner/babel.config.js
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+module.exports = {
+  presets: [
+    ['@babel/preset-typescript'],
+    [
+      '@babel/preset-env',
+      {
+        targets: {node: 6},
+      },
+    ],
+  ],
+};
diff --git a/e2e/transform/transform-runner/package.json b/e2e/transform/transform-runner/package.json
new file mode 100644
index 000000000000..8ca15ecc190e
--- /dev/null
+++ b/e2e/transform/transform-runner/package.json
@@ -0,0 +1,11 @@
+{
+  "jest": {
+    "rootDir": "./",
+    "runner": "<rootDir>/runner.ts"
+  },
+  "dependencies": {
+    "@babel/preset-env": "^7.0.0",
+    "@babel/preset-typescript": "^7.0.0",
+    "jest-environment-node": "^24.9.0"
+  }
+}
diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
new file mode 100644
index 000000000000..62d6b5443f71
--- /dev/null
+++ b/e2e/transform/transform-runner/runner.ts
@@ -0,0 +1,79 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {Config} from '@jest/types';
+import {
+  OnTestFailure,
+  OnTestStart,
+  OnTestSuccess,
+  Test,
+  TestRunnerContext,
+  TestWatcher,
+} from 'jest-runner';
+import throat from 'throat';
+import {TestResult} from '@jest/test-result';
+
+export default class BaseTestRunner {
+  private _globalConfig: Config.GlobalConfig;
+  private _context: TestRunnerContext;
+
+  constructor(globalConfig: Config.GlobalConfig, context?: TestRunnerContext) {
+    this._globalConfig = globalConfig;
+    this._context = context || {};
+  }
+
+  async runTests(
+    tests: Array<Test>,
+    watcher: TestWatcher,
+    onStart: OnTestStart,
+    onResult: OnTestSuccess,
+    onFailure: OnTestFailure
+  ): Promise<void> {
+    const mutex = throat(1);
+    return tests.reduce(
+      (promise, test) =>
+        mutex(() =>
+          promise
+            .then(async () => {
+              await onStart(test);
+              return {
+                numFailingTests: 0,
+                numPassingTests: 1,
+                numPendingTests: 0,
+                numTodoTests: 0,
+                perfStats: {
+                  end: 0,
+                  start: 0,
+                },
+                snapshot: {
+                  added: 0,
+                  fileDeleted: false,
+                  matched: 0,
+                  unchecked: 0,
+                  unmatched: 0,
+                  updated: 0,
+                },
+                testFilePath: test.path,
+                testResults: [
+                  {
+                    ancestorTitles: [],
+                    duration: 2,
+                    failureMessages: [],
+                    fullName: 'sample test',
+                    status: 'passed',
+                    title: 'sample test',
+                  },
+                ],
+              } as TestResult;
+            })
+            .then(result => onResult(test, result))
+            .catch(err => onFailure(test, err))
+        ),
+      Promise.resolve()
+    );
+  }
+}
diff --git a/e2e/transform/transform-runner/tsconfig.json b/e2e/transform/transform-runner/tsconfig.json
new file mode 100644
index 000000000000..174da5dc37bf
--- /dev/null
+++ b/e2e/transform/transform-runner/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "compilerOptions": {
+    "esModuleInterop": true,
+    "module": "commonjs",
+  }
+}
diff --git a/packages/jest-core/src/TestScheduler.ts b/packages/jest-core/src/TestScheduler.ts
index 79fad4c133c4..4324d79e93f8 100644
--- a/packages/jest-core/src/TestScheduler.ts
+++ b/packages/jest-core/src/TestScheduler.ts
@@ -25,6 +25,7 @@ import {
   buildFailureTestResult,
   makeEmptyAggregatedTestResult,
 } from '@jest/test-result';
+import {ScriptTransformer} from '@jest/transform';
 import type {Config} from '@jest/types';
 import {formatExecError} from 'jest-message-util';
 import TestRunner = require('jest-runner');
@@ -193,7 +194,10 @@ export default class TestScheduler {
     contexts.forEach(context => {
       const {config} = context;
       if (!testRunners[config.runner]) {
-        const Runner: typeof TestRunner = require(config.runner);
+        const transformer = new ScriptTransformer(config);
+        const Runner: typeof TestRunner = interopRequireDefault(
+          transformer.requireAndTranspileModule(config.runner)
+        ).default;
         const runner = new Runner(this._globalConfig, {
           changedFiles: this._context?.changedFiles,
           sourcesRelatedToTestsInChangedFiles: this._context
diff --git a/packages/jest-core/src/__tests__/TestScheduler.test.js b/packages/jest-core/src/__tests__/TestScheduler.test.js
index dc3f8d357201..4ccd1899388f 100644
--- a/packages/jest-core/src/__tests__/TestScheduler.test.js
+++ b/packages/jest-core/src/__tests__/TestScheduler.test.js
@@ -89,7 +89,8 @@ test('schedule tests run in parallel per default', async () => {
     context: {
       config: makeProjectConfig({
         runner: 'jest-runner-parallel',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -110,7 +111,8 @@ test('schedule tests run in serial if the runner flags them', async () => {
     context: {
       config: makeProjectConfig({
         runner: 'jest-runner-serial',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -132,7 +134,8 @@ test('should bail after `n` failures', async () => {
       config: makeProjectConfig({
         rootDir: './',
         runner: 'jest-runner-serial',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -162,7 +165,8 @@ test('should not bail if less than `n` failures', async () => {
       config: makeProjectConfig({
         rootDir: './',
         runner: 'jest-runner-serial',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -191,7 +195,8 @@ test('should set runInBand to run in serial', async () => {
     context: {
       config: makeProjectConfig({
         runner: 'jest-runner-parallel',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -215,7 +220,8 @@ test('should set runInBand to not run in serial', async () => {
     context: {
       config: makeProjectConfig({
         runner: 'jest-runner-parallel',
-      }),
+        transform: [],
+      },
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },

From dd0181d756f5a6c56275b2e0cd86ba42d2982008 Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Thu, 29 Aug 2019 23:55:19 +0530
Subject: [PATCH 02/11] Replace test result with util

---
 e2e/transform/transform-runner/runner.ts | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
index 62d6b5443f71..16f83d3d6761 100644
--- a/e2e/transform/transform-runner/runner.ts
+++ b/e2e/transform/transform-runner/runner.ts
@@ -15,7 +15,7 @@ import {
   TestWatcher,
 } from 'jest-runner';
 import throat from 'throat';
-import {TestResult} from '@jest/test-result';
+import {TestResult, createEmptyTestResult} from '@jest/test-result';
 
 export default class BaseTestRunner {
   private _globalConfig: Config.GlobalConfig;
@@ -38,25 +38,11 @@ export default class BaseTestRunner {
       (promise, test) =>
         mutex(() =>
           promise
-            .then(async () => {
+            .then(async () : Promise<TestResult> => {
               await onStart(test);
               return {
-                numFailingTests: 0,
+                ...createEmptyTestResult(),
                 numPassingTests: 1,
-                numPendingTests: 0,
-                numTodoTests: 0,
-                perfStats: {
-                  end: 0,
-                  start: 0,
-                },
-                snapshot: {
-                  added: 0,
-                  fileDeleted: false,
-                  matched: 0,
-                  unchecked: 0,
-                  unmatched: 0,
-                  updated: 0,
-                },
                 testFilePath: test.path,
                 testResults: [
                   {
@@ -64,11 +50,13 @@ export default class BaseTestRunner {
                     duration: 2,
                     failureMessages: [],
                     fullName: 'sample test',
+                    location: null,
+                    numPassingAsserts: 1,
                     status: 'passed',
                     title: 'sample test',
                   },
                 ],
-              } as TestResult;
+              };
             })
             .then(result => onResult(test, result))
             .catch(err => onFailure(test, err))

From 9fd4432a369b332b9fd79367386dfc50d9233d79 Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Fri, 30 Aug 2019 00:13:36 +0530
Subject: [PATCH 03/11] Fix linting

---
 e2e/transform/transform-runner/runner.ts | 44 +++++++++++++-----------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
index 16f83d3d6761..ca625c070950 100644
--- a/e2e/transform/transform-runner/runner.ts
+++ b/e2e/transform/transform-runner/runner.ts
@@ -38,30 +38,32 @@ export default class BaseTestRunner {
       (promise, test) =>
         mutex(() =>
           promise
-            .then(async () : Promise<TestResult> => {
-              await onStart(test);
-              return {
-                ...createEmptyTestResult(),
-                numPassingTests: 1,
-                testFilePath: test.path,
-                testResults: [
-                  {
-                    ancestorTitles: [],
-                    duration: 2,
-                    failureMessages: [],
-                    fullName: 'sample test',
-                    location: null,
-                    numPassingAsserts: 1,
-                    status: 'passed',
-                    title: 'sample test',
-                  },
-                ],
-              };
-            })
+            .then(
+              async (): Promise<TestResult> => {
+                await onStart(test);
+                return {
+                  ...createEmptyTestResult(),
+                  numPassingTests: 1,
+                  testFilePath: test.path,
+                  testResults: [
+                    {
+                      ancestorTitles: [],
+                      duration: 2,
+                      failureMessages: [],
+                      fullName: 'sample test',
+                      location: null,
+                      numPassingAsserts: 1,
+                      status: 'passed',
+                      title: 'sample test',
+                    },
+                  ],
+                };
+              }
+            )
             .then(result => onResult(test, result))
             .catch(err => onFailure(test, err))
         ),
       Promise.resolve()
     );
   }
-}
+}
\ No newline at end of file

From 8c6af1b67eed987d6c6fb5372ed56ceb276535d5 Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Fri, 30 Aug 2019 00:21:14 +0530
Subject: [PATCH 04/11] Fix lint due to newline

---
 e2e/transform/transform-runner/runner.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
index ca625c070950..4db477a86b15 100644
--- a/e2e/transform/transform-runner/runner.ts
+++ b/e2e/transform/transform-runner/runner.ts
@@ -66,4 +66,4 @@ export default class BaseTestRunner {
       Promise.resolve()
     );
   }
-}
\ No newline at end of file
+}

From 9ba2a35f6b04a1e5eba83276684f5199bf5eda7d Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Sat, 31 Aug 2019 14:46:59 +0530
Subject: [PATCH 05/11] Add moduleFileExtensions in tests

---
 packages/jest-core/src/__tests__/TestScheduler.test.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/jest-core/src/__tests__/TestScheduler.test.js b/packages/jest-core/src/__tests__/TestScheduler.test.js
index 4ccd1899388f..a81228fef64a 100644
--- a/packages/jest-core/src/__tests__/TestScheduler.test.js
+++ b/packages/jest-core/src/__tests__/TestScheduler.test.js
@@ -88,6 +88,7 @@ test('schedule tests run in parallel per default', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
       },
@@ -110,6 +111,7 @@ test('schedule tests run in serial if the runner flags them', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         runner: 'jest-runner-serial',
         transform: [],
       },
@@ -132,6 +134,7 @@ test('should bail after `n` failures', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         rootDir: './',
         runner: 'jest-runner-serial',
         transform: [],
@@ -163,6 +166,7 @@ test('should not bail if less than `n` failures', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         rootDir: './',
         runner: 'jest-runner-serial',
         transform: [],
@@ -194,6 +198,7 @@ test('should set runInBand to run in serial', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
       },
@@ -219,6 +224,7 @@ test('should set runInBand to not run in serial', async () => {
   const test = {
     context: {
       config: makeProjectConfig({
+        moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
       },

From bf97acca62aa4883cfe8ecdf07b8b371a3250eba Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Sun, 27 Oct 2019 21:24:31 +0530
Subject: [PATCH 06/11] Remove support for node 6

---
 e2e/transform/transform-runner/babel.config.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/e2e/transform/transform-runner/babel.config.js b/e2e/transform/transform-runner/babel.config.js
index 5e1e38eebb8d..f57a151246bf 100644
--- a/e2e/transform/transform-runner/babel.config.js
+++ b/e2e/transform/transform-runner/babel.config.js
@@ -11,7 +11,7 @@ module.exports = {
     [
       '@babel/preset-env',
       {
-        targets: {node: 6},
+        targets: {node: 8},
       },
     ],
   ],

From b6e1d5cf474e87c4653479f299657858714519bb Mon Sep 17 00:00:00 2001
From: M4rk9696 <nimalan.m@protonmail.com>
Date: Sun, 27 Oct 2019 21:25:40 +0530
Subject: [PATCH 07/11] Add CHANGELOG

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9ad8d3e929b..9f8af2b2a5a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -551,6 +551,7 @@
 - `[@jest/test-result]` Create method to create empty `TestResult` ([#8867](https://github.com/facebook/jest/pull/8867))
 - `[jest-worker]` [**BREAKING**] Return a promise from `end()`, resolving with the information whether workers exited gracefully ([#8206](https://github.com/facebook/jest/pull/8206))
 - `[jest-reporters]` Transform file paths into hyperlinks ([#8980](https://github.com/facebook/jest/pull/8980))
+- `[jest-runner]` [**BREAKING**] Run transforms over `runnner` ([#8823](https://github.com/facebook/jest/pull/8823))
 
 ### Fixes
 

From df745d275f77baa193f9050fd67426f80ac05779 Mon Sep 17 00:00:00 2001
From: Mark1626 <nimalan.m@protonmail.com>
Date: Sun, 15 Nov 2020 09:18:24 +0530
Subject: [PATCH 08/11] chore: Move CHANGELOG entry and upgrade e2e dependency
 and missed items in rebase

---
 CHANGELOG.md                                         |  2 +-
 e2e/transform/transform-runner/package.json          |  2 +-
 e2e/transform/transform-runner/runner.ts             | 12 ++++++------
 packages/jest-core/src/TestScheduler.ts              |  2 +-
 .../jest-core/src/__tests__/TestScheduler.test.js    | 12 ++++++------
 5 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f8af2b2a5a6..e2d47d1a5316 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - `[jest-runner]` [**BREAKING**] set exit code to 1 if test logs after teardown ([#10728](https://github.com/facebook/jest/pull/10728))
 - `[jest-snapshot]`: [**BREAKING**] Make prettier optional for inline snapshots - fall back to string replacement ([#7792](https://github.com/facebook/jest/pull/7792))
 - `[jest-repl, jest-runner]` [**BREAKING**] Run transforms over environment ([#8751](https://github.com/facebook/jest/pull/8751))
+- `[jest-runner]` [**BREAKING**] Run transforms over `runnner` ([#8823](https://github.com/facebook/jest/pull/8823))
 
 ### Fixes
 
@@ -551,7 +552,6 @@
 - `[@jest/test-result]` Create method to create empty `TestResult` ([#8867](https://github.com/facebook/jest/pull/8867))
 - `[jest-worker]` [**BREAKING**] Return a promise from `end()`, resolving with the information whether workers exited gracefully ([#8206](https://github.com/facebook/jest/pull/8206))
 - `[jest-reporters]` Transform file paths into hyperlinks ([#8980](https://github.com/facebook/jest/pull/8980))
-- `[jest-runner]` [**BREAKING**] Run transforms over `runnner` ([#8823](https://github.com/facebook/jest/pull/8823))
 
 ### Fixes
 
diff --git a/e2e/transform/transform-runner/package.json b/e2e/transform/transform-runner/package.json
index 8ca15ecc190e..5163f3c2e3ec 100644
--- a/e2e/transform/transform-runner/package.json
+++ b/e2e/transform/transform-runner/package.json
@@ -6,6 +6,6 @@
   "dependencies": {
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-typescript": "^7.0.0",
-    "jest-environment-node": "^24.9.0"
+    "jest-environment-node": "^26.6.2"
   }
 }
diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
index 4db477a86b15..eaeebfd60f5d 100644
--- a/e2e/transform/transform-runner/runner.ts
+++ b/e2e/transform/transform-runner/runner.ts
@@ -5,6 +5,8 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+import throat from 'throat';
+import {TestResult, createEmptyTestResult} from '@jest/test-result';
 import {Config} from '@jest/types';
 import {
   OnTestFailure,
@@ -14,8 +16,6 @@ import {
   TestRunnerContext,
   TestWatcher,
 } from 'jest-runner';
-import throat from 'throat';
-import {TestResult, createEmptyTestResult} from '@jest/test-result';
 
 export default class BaseTestRunner {
   private _globalConfig: Config.GlobalConfig;
@@ -31,7 +31,7 @@ export default class BaseTestRunner {
     watcher: TestWatcher,
     onStart: OnTestStart,
     onResult: OnTestSuccess,
-    onFailure: OnTestFailure
+    onFailure: OnTestFailure,
   ): Promise<void> {
     const mutex = throat(1);
     return tests.reduce(
@@ -58,12 +58,12 @@ export default class BaseTestRunner {
                     },
                   ],
                 };
-              }
+              },
             )
             .then(result => onResult(test, result))
-            .catch(err => onFailure(test, err))
+            .catch(err => onFailure(test, err)),
         ),
-      Promise.resolve()
+      Promise.resolve(),
     );
   }
 }
diff --git a/packages/jest-core/src/TestScheduler.ts b/packages/jest-core/src/TestScheduler.ts
index 4324d79e93f8..cf1846b9f214 100644
--- a/packages/jest-core/src/TestScheduler.ts
+++ b/packages/jest-core/src/TestScheduler.ts
@@ -196,7 +196,7 @@ export default class TestScheduler {
       if (!testRunners[config.runner]) {
         const transformer = new ScriptTransformer(config);
         const Runner: typeof TestRunner = interopRequireDefault(
-          transformer.requireAndTranspileModule(config.runner)
+          transformer.requireAndTranspileModule(config.runner),
         ).default;
         const runner = new Runner(this._globalConfig, {
           changedFiles: this._context?.changedFiles,
diff --git a/packages/jest-core/src/__tests__/TestScheduler.test.js b/packages/jest-core/src/__tests__/TestScheduler.test.js
index a81228fef64a..464a923206fc 100644
--- a/packages/jest-core/src/__tests__/TestScheduler.test.js
+++ b/packages/jest-core/src/__tests__/TestScheduler.test.js
@@ -91,7 +91,7 @@ test('schedule tests run in parallel per default', async () => {
         moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -114,7 +114,7 @@ test('schedule tests run in serial if the runner flags them', async () => {
         moduleFileExtensions: ['.js'],
         runner: 'jest-runner-serial',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -138,7 +138,7 @@ test('should bail after `n` failures', async () => {
         rootDir: './',
         runner: 'jest-runner-serial',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -170,7 +170,7 @@ test('should not bail if less than `n` failures', async () => {
         rootDir: './',
         runner: 'jest-runner-serial',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -201,7 +201,7 @@ test('should set runInBand to run in serial', async () => {
         moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },
@@ -227,7 +227,7 @@ test('should set runInBand to not run in serial', async () => {
         moduleFileExtensions: ['.js'],
         runner: 'jest-runner-parallel',
         transform: [],
-      },
+      }),
       hasteFS: {
         matchFiles: jest.fn(() => []),
       },

From 61dab1f23f99364759120d54d1f2b7e39b2a4a28 Mon Sep 17 00:00:00 2001
From: Mark1626 <nimalan.m@protonmail.com>
Date: Sun, 15 Nov 2020 19:37:53 +0530
Subject: [PATCH 09/11] chore: Review change

---
 e2e/transform/transform-runner/babel.config.js | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/e2e/transform/transform-runner/babel.config.js b/e2e/transform/transform-runner/babel.config.js
index f57a151246bf..19dd8862b516 100644
--- a/e2e/transform/transform-runner/babel.config.js
+++ b/e2e/transform/transform-runner/babel.config.js
@@ -7,12 +7,7 @@
 
 module.exports = {
   presets: [
-    ['@babel/preset-typescript'],
-    [
-      '@babel/preset-env',
-      {
-        targets: {node: 8},
-      },
-    ],
+    ['@babel/preset-env', {targets: {node: 'current'}}],
+    '@babel/preset-typescript',
   ],
 };

From f1dc0a4db26939d8835bd4cfc20bb3ae34db5581 Mon Sep 17 00:00:00 2001
From: Nimalan <nimalan.m@protonmail.com>
Date: Sun, 15 Nov 2020 20:09:25 +0530
Subject: [PATCH 10/11] chore: Review change add import @jest/types as type

Co-authored-by: Simen Bekkhus <sbekkhus91@gmail.com>
---
 e2e/transform/transform-runner/runner.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/e2e/transform/transform-runner/runner.ts b/e2e/transform/transform-runner/runner.ts
index eaeebfd60f5d..093ffc0242db 100644
--- a/e2e/transform/transform-runner/runner.ts
+++ b/e2e/transform/transform-runner/runner.ts
@@ -7,7 +7,7 @@
 
 import throat from 'throat';
 import {TestResult, createEmptyTestResult} from '@jest/test-result';
-import {Config} from '@jest/types';
+import type {Config} from '@jest/types';
 import {
   OnTestFailure,
   OnTestStart,

From f54626834d96fdb6fd5e7505159c7593ac2079e5 Mon Sep 17 00:00:00 2001
From: Mark1626 <nimalan.m@protonmail.com>
Date: Sun, 15 Nov 2020 20:22:18 +0530
Subject: [PATCH 11/11] chore: Use file protocol to resolve dependency

---
 e2e/transform/transform-environment/package.json | 2 +-
 e2e/transform/transform-runner/package.json      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/e2e/transform/transform-environment/package.json b/e2e/transform/transform-environment/package.json
index e1104c0a57f9..c34e478bb8aa 100644
--- a/e2e/transform/transform-environment/package.json
+++ b/e2e/transform/transform-environment/package.json
@@ -9,6 +9,6 @@
   "dependencies": {
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-typescript": "^7.0.0",
-    "jest-environment-node": "^26.6.2"
+    "jest-environment-node": "file:../../../packages/jest-environment-node"
   }
 }
diff --git a/e2e/transform/transform-runner/package.json b/e2e/transform/transform-runner/package.json
index 5163f3c2e3ec..eea777afc0df 100644
--- a/e2e/transform/transform-runner/package.json
+++ b/e2e/transform/transform-runner/package.json
@@ -6,6 +6,6 @@
   "dependencies": {
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-typescript": "^7.0.0",
-    "jest-environment-node": "^26.6.2"
+    "jest-environment-node": "file:../../../packages/jest-environment-node"
   }
 }