public function testGetSharedWebsiteStoreIds() { $sharedIds = null; $storeIds = [1, 2, 3]; $websiteMock = $this->getMockBuilder('Magento\\Store\\Model\\Website')->disableOriginalConstructor()->getMock(); $websiteMock->expects($this->once())->method('getStoreIds')->will($this->returnValue($storeIds)); $this->quote->setData('shared_store_ids', $sharedIds); $this->quote->setWebsite($websiteMock); $result = $this->quote->getSharedStoreIds(); $this->assertEquals($storeIds, $result); }