Added explanation on how to use custom @jest-environment to docs

docs/Configuration.md

@@ -1012,6 +1012,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -1060,6 +1068,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-22.x/Configuration.md

@@ -745,6 +745,14 @@ test('use jsdom in this test file', () => {
 
 You can create your own module that will be used for setting up the test environment. The module must export a class with `setup`, `teardown` and `runScript` methods. You can also pass variables from this module to your test suites by assigning them to `this.global` object – this will make them available in your test suites as global variables.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -787,6 +795,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-23.x/Configuration.md

@@ -771,6 +771,14 @@ test('use jsdom in this test file', () => {
 
 You can create your own module that will be used for setting up the test environment. The module must export a class with `setup`, `teardown` and `runScript` methods. You can also pass variables from this module to your test suites by assigning them to `this.global` object – this will make them available in your test suites as global variables.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -813,6 +821,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-24.x/Configuration.md

@@ -906,6 +906,14 @@ The class may optionally expose a `handleTestEvent` method to bind to events fir
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -954,6 +962,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-25.x/Configuration.md

@@ -930,6 +930,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -978,6 +986,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-26.0/Configuration.md

@@ -930,6 +930,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -978,6 +986,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-26.2/Configuration.md

@@ -944,6 +944,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -992,6 +1000,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-26.4/Configuration.md

@@ -975,6 +975,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -1023,6 +1031,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-26.5/Configuration.md

@@ -993,6 +993,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -1041,6 +1049,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {

website/versioned_docs/version-26.6/Configuration.md

@@ -1013,6 +1013,14 @@ The class may optionally expose an asynchronous `handleTestEvent` method to bind
 
 Any docblock pragmas in test files will be passed to the environment constructor and can be used for per-test configuration. If the pragma does not have a value, it will be present in the object with its value set to an empty string. If the pragma is not present, it will not be present in the object.
 
+To use this class as your custom environment, refer to it by its full path within the project. For example, if your class is stored in `my-custom-environment.js` in some subfolder of your project, then the annotation might looke like this:
+
+```js
+/**
+ * @jest-environment ./src/test/my-custom-environment
+ */
+```
+
 _Note: TestEnvironment is sandboxed. Each test suite will trigger setup/teardown in their own TestEnvironment._
 
 Example:
@@ -1061,6 +1069,9 @@ module.exports = CustomEnvironment;
 
 ```js
 // my-test-suite
+/**
+ * @jest-environment ./my-custom-environment
+ */
 let someGlobalObject;
 
 beforeAll(() => {