docs: add entry for isEnvironmentTornDown

docs/JestObjectAPI.md

@@ -555,6 +555,10 @@ test('works too', () => {
 
 Returns the `jest` object for chaining.
 
+### `jest.isEnvironmentTornDown(fn)`
+
+Returns `true` if test environment has been torn down.
+
 ### `jest.isolateModules(fn)`
 
 `jest.isolateModules(fn)` goes a step further than `jest.resetModules()` and creates a sandbox registry for the modules that are loaded inside the callback function. This is useful to isolate specific modules for every test so that local module state doesn't conflict between tests.

packages/jest-environment/src/index.ts

@@ -165,13 +165,6 @@ export interface Jest {
    * Determines if the given function is a mocked function.
    */
   isMockFunction: ModuleMocker['isMockFunction'];
-  /**
-   * `jest.isolateModules()` goes a step further than `jest.resetModules()` and
-   * creates a sandbox registry for the modules that are loaded inside the callback
-   * function. This is useful to isolate specific modules for every test so that
-   * local module state doesn't conflict between tests.
-   */
-  isolateModules(fn: () => void): Jest;
   /**
    * Returns `true` if test environment has been torn down.
    * @example
@@ -181,6 +174,13 @@ export interface Jest {
    * }
    */
   isEnvironmentTornDown(): boolean;
+  /**
+   * `jest.isolateModules()` goes a step further than `jest.resetModules()` and
+   * creates a sandbox registry for the modules that are loaded inside the callback
+   * function. This is useful to isolate specific modules for every test so that
+   * local module state doesn't conflict between tests.
+   */
+  isolateModules(fn: () => void): Jest;
   /**
    * `jest.isolateModulesAsync()` is the equivalent of `jest.isolateModules()`, but for
    * async functions to be wrapped. The caller is expected to `await` the completion of