@Test public void testAllowReturnTransitionOverlap() {

 Arrange:
nal FragmentRequest request = new FragmentRequest(mock(FragmentController.class), FragmentRequest.NO_ID);
 Act + Assert:
sertThat(request.allowReturnTransitionOverlap(false), is(request));
sertThat(request.allowReturnTransitionOverlap(), is(false));
sertThat(request.allowReturnTransitionOverlap(true), is(request));
sertThat(request.allowReturnTransitionOverlap(), is(true));
}