@Test public void testOutgoingFragmentId() {

	// Arrange:
	final FragmentRequest request = new FragmentRequest(mock(FragmentController.class), FragmentRequest.NO_ID);
	// Act + Assert:
   	assertThat(request.outgoingFragmentId(2), is(request));
   	assertThat(request.outgoingFragmentId(), is(2));
}