@Test public void testTransition() {

	// Arrange:
	final FragmentTransition transition = mock(FragmentTransition.class);
	final FragmentRequest request = new FragmentRequest(mock(FragmentController.class), FragmentRequest.NO_ID);
	// Act + Assert:
	assertThat(request.transition(transition), is(request));
	assertThat(request.transition(), is(transition));
}