@Test
  public void testCreatesWidget() throws IOException {
    lifeCycleAdapter.renderInitialization(video);

    assertTrue(MessageUtil.hasCreateOperation("tabris.widgets.Video"));
    JsonObject properties =
        MessageUtil.getOperationProperties(WidgetUtil.getId(video), CREATE, null);
    assertEquals(video.getURL().toString(), properties.get(Constants.PROPERTY_URL).asString());
  }