    @Test
    public void testParseObservableGetFile() {

        rx.parse2.ParseObservable.getFile(mocker(ParseFile.class)
                    .when(it -> it.getFileInBackground())
                    .thenReturn(it -> Task.forResult(new File("/")))
                    .mock())
                .test()
                .assertNoErrors()
                .assertComplete();
    }