function testGetCopy()
{
//Arrange
$copy_id = 1;
$test_copy = new Copy($copy_id);
$test_copy->save();
$copy_id2 = 2;
$id2 = 2;
$test_copy2 = new Copy($copy_id2);
$test_copy2->save();
$name = "Ping Pong";
$id2 = 1;
$test_patron = new Patron($name);
$test_patron->save();
//Act
$test_patron->addCopy($test_copy->getId());
$test_patron->addCopy($test_copy2->getId());
//Assert
$this->assertEquals($test_patron->getCopy(), [$test_copy, $test_copy2]);
}
