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());
}
