function test_getAllCheckouts()
{
//Arrange
// create 2 test patrons.
$name = "Suzie Palloozi";
$phone = "1-800-439-0398";
$test_patron = new Patron($name, $phone);
$test_patron->save();
// create 2 test checkouts. hard code copy_id for now
$copy_id = 1;
$patron_id = $test_patron->getId();
$due_date = "2015-03-04";
$test_checkout = new Checkout($copy_id, $patron_id, $due_date);
$test_checkout->save();
//Act
$result = $test_patron->getAllCheckouts();
//Assert
$this->assertEquals([$test_checkout], $result);
}
