@Test
public void testSetupBinding() {

    final IsWidget isWidget = mock(IsWidget.class);
    final Widget widget = mock(Widget.class);
    doReturn(widget).when(isWidget).asWidget();
    view.setupBinding(isWidget);
    verify(elemental2DomUtil).removeAllElementChildren(bindingFieldContainer);
    verify(elemental2DomUtil).appendWidgetToElement(bindingFieldContainer, widget);
}