function test_updateReturned() { //Arrange $copy_id = 1; $patron_id = 4; $due_date = "2015-09-03"; $test_checkout = new Checkout($copy_id, $patron_id, $due_date); $test_checkout->save(); //Act $new_returned = true; $test_checkout->updateReturned($new_returned); //Assert $result = Checkout::getAll(); $this->assertEquals($new_returned, $result[0]->getReturned()); }