function test_updateAvailable()
{
//Arrange
$available = true;
$book_id = 4;
$test_copy = new Copy($available, $book_id);
$test_copy->save();
$test_copy->updateAvailable(false);
//Act
//$id = $test_copy->getId();
//$test_copy2 = new Copy($available2, $book_id, $id);
$result = $test_copy->getAvailable();
//Assert
$this->assertEquals(false, $result);
}