/** * @test */ public function tearDownWithBackendSupportingTearDownDelegatesCallToBackend() { $methods = array_merge(get_class_methods(Generic\Backend\BackendInterface::class), ['tearDown']); $mockBackend = $this->getMockBuilder(Generic\Backend\BackendInterface::class)->setMethods($methods)->getMock(); $mockBackend->expects($this->once())->method('tearDown'); $persistenceManager = new Generic\PersistenceManager(); $persistenceManager->injectBackend($mockBackend); $persistenceManager->tearDown(); }