function test_deleteAll()
{
//Arrange
$patron_name = "Hannibal";
$test_patron = new Patron($patron_name);
$test_patron->save();
$patron_name2 = "Johnny";
$test_patron2 = new Patron($patron_name2);
$test_patron2->save();
//Act
Patron::deleteALl();
$result = Patron::getAll();
//Assert
$this->assertEquals([], $result);
}
