@Test
public void testGetVideoByFilename() {

    VideoMetadataInfoEntity fakeVideoMetadataInfoEntity = createVideoMetadataInfoEntity();
    Observable<VideoMetadataInfoEntity> fakeObservable = Observable.just( fakeVideoMetadataInfoEntity );
    given( mockVideoApi.getVideoByFilename( FAKE_VIDEO_FILENAME ) ).willReturn( fakeObservable );
    masterBackendVideoDataStore.getVideoByFilename( FAKE_VIDEO_FILENAME );
    verify( mockVideoApi ).getVideoByFilename( FAKE_VIDEO_FILENAME );
}