chore: Make sure copyright header comment includes license (#8783)

* chore: Make sure copyright header comment includes license

* Add period at end of copyright line in checkCopyrightHeaders.js :)

* Update CHANGELOG.md

CHANGELOG.md

@@ -46,7 +46,7 @@
 - `[docs]` Updated react tutorial to refer to new package of react-testing-library (@testing-library/react) ([#8753](https://github.com/facebook/jest/pull/8753))
 - `[docs]` Updated imports of react-testing-library to @testing-library/react in website ([#8757](https://github.com/facebook/jest/pull/8757))
 - `[jest-core]` Add `getVersion` (moved from `jest-cli`) ([#8706](https://github.com/facebook/jest/pull/8706))
-- `[docs]` Fix MockFunctions example that was using toContain instead of toContainEqual ([#8765](https://github.com/facebook/jest/pull/8765))
+- `[docs]` Fix MockFunctions example that was using toContain instead of toContainEqual ([#8765](https://github.com/facebook/jest/pull/8765)) `[*]` Make sure copyright header comment includes license ([#8783](https://github.com/facebook/jest/pull/8783))
 
 ### Performance
 

babel.config.js

@@ -1,4 +1,9 @@
-// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+/**
+ * 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 = {
   babelrcRoots: ['examples/*'],

e2e/__tests__/__snapshots__/beforeAllFiltered.ts.snap

@@ -1,19 +1,19 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`Correct BeforeAll run ensures the BeforeAll of ignored suite is not run 1`] = `
-  console.log __tests__/beforeAllFiltered.test.js:5
+  console.log __tests__/beforeAllFiltered.test.js:10
     beforeAll 1
 
-  console.log __tests__/beforeAllFiltered.test.js:8
+  console.log __tests__/beforeAllFiltered.test.js:13
     beforeEach 1
 
-  console.log __tests__/beforeAllFiltered.test.js:17
+  console.log __tests__/beforeAllFiltered.test.js:22
     It Foo
 
-  console.log __tests__/beforeAllFiltered.test.js:11
+  console.log __tests__/beforeAllFiltered.test.js:16
     afterEach 1
 
-  console.log __tests__/beforeAllFiltered.test.js:14
+  console.log __tests__/beforeAllFiltered.test.js:19
     afterAll 1
 
 `;

e2e/__tests__/__snapshots__/beforeEachQueue.ts.snap

@@ -1,19 +1,19 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`Correct beforeEach order ensures the correct order for beforeEach 1`] = `
-  console.log __tests__/beforeEachQueue.test.js:5
+  console.log __tests__/beforeEachQueue.test.js:10
     BeforeEach
 
-  console.log __tests__/beforeEachQueue.test.js:9
+  console.log __tests__/beforeEachQueue.test.js:14
     It Foo
 
-  console.log __tests__/beforeEachQueue.test.js:12
+  console.log __tests__/beforeEachQueue.test.js:17
     BeforeEach Inline Foo
 
-  console.log __tests__/beforeEachQueue.test.js:5
+  console.log __tests__/beforeEachQueue.test.js:10
     BeforeEach
 
-  console.log __tests__/beforeEachQueue.test.js:17
+  console.log __tests__/beforeEachQueue.test.js:22
     It Bar
 
 `;