public function testAddWebsiteFilter() { $this->_prepareAddFilterStubs(); $website = $this->getMock('\\Magento\\Store\\Model\\Website', ['getId', '__sleep', '__wakeup'], [], '', false); $website->expects($this->any())->method('getId')->will($this->returnValue(1)); $this->assertInstanceOf('\\Magento\\Rule\\Model\\Resource\\Rule\\Collection\\AbstractCollection', $this->abstractCollection->addWebsiteFilter($website)); }