### Question:
MousePanMediatorControlImpl extends AbstractCanvasControl<AbstractCanvas> implements MousePanMediatorControl { @Override protected void doInit() { }  @Override void bind(final DMNSession session); @Override RestrictedMousePanMediator getMousePanMediator();  }### Answer:
@Test public void testDoInit() { assertNull(control.getMousePanMediator()); control.doInit(); assertNull(control.getMousePanMediator()); }