    @Test
    public void testCount() throws Throwable {

        MainPresenter mainPresenter = new MainPresenter(null);
        verify(view, never()).showBinderCounter(anyInt());
        mainPresenter.onBindChange(view);
        verify(view).showBinderCounter(1);
        mainPresenter.onBindChange(null);
        mainPresenter.onBindChange(view);
        verify(view).showBinderCounter(2);
    }