@Before public void setUp() { Display display = new Display(); parent = new Shell(display); video = new Video("http://test.com", parent); playbackListener = mock(PlaybackListener.class); presentationListener = mock(PresentationListener.class); new Button(parent, SWT.PUSH); lifeCycleAdapter = (AbstractWidgetLCA) video.getAdapter(WidgetLifeCycleAdapter.class); environment.newRequest(); }