public function testDeleteExistingCustomer() { $customerTable = new CustomerTable($this->adapter); $customerEntity = $customerTable->fetchSingleById(42); $customerTable->deleteCustomer($customerEntity); $queryTable = $this->getConnection()->createQueryTable('loadCustomersOrderedByLastname', 'SELECT * FROM customers WHERE id = "42";'); $this->assertEquals(0, $queryTable->getRowCount()); }