Function openFileMenu

src/cdk/menu/menu-bar.spec.ts:275–279

()

      describe('for Menu', () => {
        function openFileMenu() {
          focusMenuBar();
          dispatchKeyboardEvent(menuBarNativeItems[0], 'keydown', SPACE);
          detectChanges();
        }

        function openShareMenu() {
          dispatchKeyboardEvent(nativeMenus[0], 'keydown', DOWN_ARROW);