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