/** @test */
 public function createInstanceByFilterboxConfigurationReturnsInstanceOfFilterbox()
 {
     $filterboxConfigurationMock = new Tx_PtExtlist_Tests_Domain_Configuration_Filters_Stubs_FilterboxConfigurationCollectionMock();
     $filterboxConfigurationMock->setup();
     $filterboxConfiguration = $filterboxConfigurationMock->getfilterboxConfigurationMock('filterbox1');
     $filterbox = $this->filterboxFactory->createInstance($filterboxConfiguration);
     $this->assertTrue($filterbox instanceof Tx_PtExtlist_Domain_Model_Filter_Filterbox);
 }