public abstract class ProductQueryModifierTests
{
	protected ProductQueryModifierFactory _factory;

	[SetUp]
	public void Setup()
	{
		_factory = new ProductQueryModifierFactory();
	}
	public void Execute(string productType, string query, string expected)
	{
		var modifier = _factory.GetModifier(productType);		
		Assert.True(modifier.TryQueryModify(query, out var actual));
		Assert.That(actual, Is.EqualTo(expected));
	}
}