Function getVisibilities

src/material/tabs/tab-group.spec.ts:832–833

()

        fixture.nativeElement.querySelectorAll('.mat-mdc-tab-body-content'),
      );
      const getVisibilities = () =>
        contentElements.map(element => getComputedStyle(element).visibility);

      expect(getVisibilities()).toEqual(['visible', 'hidden', 'hidden', 'hidden']);