function test_getRestaurantId()
{
//Arrange
$restaurant_name = "McDonalds";
$id = null;
$test_restaurant = new Restaurant($restaurant_name, $id);
$test_restaurant->save();
$cuisine_name = "Tacos";
$restaurant_id = $test_restaurant->getId();
$test_cuisine = new Cuisine($cuisine_name, $id, $restaurant_id);
$test_cuisine->save();
//Act
$result = $test_cuisine->getRestaurantId();
//Assert
$this->assertEquals(true, is_numeric($result));
}
