public async Task GetCoffees_Returns_ListOfCoffeeModels()
{
var coffeesReturned = await coffeeService.GetCoffees();
Assert.IsNotNull(coffeesReturned);
Assert.IsTrue(coffeesReturned.Any());
Assert.IsInstanceOf(typeof(List <CoffeeModel>), coffeesReturned);
Assert.IsTrue(coffeesReturned.Any(coffeeModel => coffeeModel.Id != Guid.Empty && !string.IsNullOrEmpty(coffeeModel.Name)));
}