function test_updatePhone() { //Arrange $stylist = new Stylist("Diane", "5035528959", "MPB", false); $stylist->save(); $client1 = new Client("Steven", "5412232442", $stylist->getId()); $client1->save(); $new_phone = "5029999999"; $client1->updatePhone($new_phone); //Act $result = Client::getAll(); //Assert $this->assertEquals($new_phone, $result[0]->getPhone()); }