public function testGetLastItem() { $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]); $this->assertEquals($testItem2, $this->searchResultProcessor->getLastItem()); }