public async Task ValidateAsync_Test()
{
// arrange
var data_provider = new MockDataProvider();
var product = new Product
{
ID = 2,
Name = "Product A",
Description = "This is a cool product as well",
Quantity = 100
};
// act
var is_valid = await data_provider.ValidateAsync(product);
// assert
Assert.False(is_valid);
}