public function testGetFirstItem()
 {
     $itemData = ['id' => 1];
     $itemData2 = ['id' => 2];
     $testItem = new \Magento\Framework\DataObject($itemData);
     $testItem2 = new \Magento\Framework\DataObject($itemData2);
     $this->searchResultCollectionMock->expects($this->once())->method('getItems')->willReturn([$testItem, $testItem2]);
     $this->assertEquals($testItem, $this->searchResultProcessor->getFirstItem());
 }