docs: update core to use @publicApi tags (#26595)

PR Close #26595

packages/core/testing/src/async.ts

@@ -23,7 +23,7 @@ import {asyncFallback} from './async_fallback';
  * });
  * ```
  *
- *
+ * @publicApi
  */
 export function async(fn: Function): (done: any) => any {
   const _Zone: any = typeof Zone !== 'undefined' ? Zone : null;

packages/core/testing/src/component_fixture.ts

@@ -12,7 +12,7 @@ import {ChangeDetectorRef, ComponentRef, DebugElement, ElementRef, NgZone, Rende
 /**
  * Fixture for debugging and testing a component.
  *
- *
+ * @publicApi
  */
 export class ComponentFixture<T> {
   /**

packages/core/testing/src/test_bed.ts

@@ -635,6 +635,8 @@ export class TestBedViewEngine implements Injector, TestBed {
  *
  * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
  * according to the compiler used.
+ *
+ * @publicApi
  */
 export const TestBed: TestBedStatic =
     ivyEnabled ? TestBedRender3 as any as TestBedStatic : TestBedViewEngine as any as TestBedStatic;
@@ -676,7 +678,7 @@ function _getTestBedViewEngine(): TestBedViewEngine {
  * eventually
  *   becomes `it('...', @Inject (object: AClass, async: AsyncTestCompleter) => { ... });`
  *
- *
+ * @publicApi
  */
 export function inject(tokens: any[], fn: Function): () => any {
   const testBed = getTestBed();

packages/core/testing/src/test_bed_common.ts

@@ -45,6 +45,8 @@ export type TestModuleMetadata = {
 
 /**
  * Static methods implemented by the `TestBedViewEngine` and `TestBedRender3`
+ *
+ * @publicApi
  */
 export interface TestBedStatic {
   new (...args: any[]): TestBed;
@@ -54,8 +56,6 @@ export interface TestBedStatic {
 
   /**
    * Reset the providers for the test injector.
-   *
-   * @publicApi
    */
   resetTestEnvironment(): void;