@Test public void testViewContainerId() {

	// Arrange:
	final FragmentRequest request = new FragmentRequest(mock(FragmentController.class), FragmentRequest.NO_ID);
	// Act + Assert:
   	assertThat(request.viewContainerId(android.R.id.list), is(request));
   	assertThat(request.viewContainerId(), is(android.R.id.list));
}