function test_UpdatePriceRange()
{
//arrange
$type = "Tacos";
$id = null;
$test_cuisine = new Cuisine($type, $id);
$test_cuisine->save();
$name = "Nathans";
$cuisine_id = $test_cuisine->getId();
$price_range = 1;
$neighborhood = "Felony Flats";
$test_restaurant = new Restaurant($name, $id, $cuisine_id, $price_range, $neighborhood);
$test_restaurant->save();
$new_price_range = 4;
//act
$test_restaurant->updatePriceRange($new_price_range);
//assert
$this->assertEquals(4, $test_restaurant->getPriceRange());
}
