message: test: fix AIO doc-viewer.component tests
  Some tests currently fail with a TS error
  ```
  TS2783: 'id' is specified more than once, so this usage will be overwritten.
  ```
  This changes fixes that.
  PR Close
diff: @@ -45,7 +45,7 @@ describe('DocViewerComponent', () => {
  let renderSpy: jasmine.Spy;
  const setCurrentDoc = (newDoc: TestParentComponent['currentDoc']) => {
  - parentComponent.currentDoc = newDoc && {id: 'fizz/buzz', ...newDoc};
  + parentComponent.currentDoc = newDoc;
  parentFixture.detectChanges(); // Run change detection to propagate the new doc to `DocViewer`.
  safeFlushAsapScheduler(); // Flush `asapScheduler` to trigger `DocViewer#render()`.
  };
  