[Fact]
public Task When_creating_breakfast_item() =>
    new MvcFunctionalTestFixture<Startup>(_output)
        .HavingMySqlDatabase<BreakfastContext>()
        .WhenCreating("BreakfastItem", out CreateOrUpdateBreakfastItemRequest request)
        .ShouldReturnSuccessfulStatus()
        .JsonResultShould<BreakfastItem>(r => r.Id.Should().Be(1),
                                         r => r.Name.Should().Be(request.Name),
                                         r => r.Rating.Should().Be(request.Rating))
        .ShouldExistInDatabase<BreakfastContext, BreakfastItem>(1,
                                        x => x.Id.Should().Be(1),
                                        x => existing.Name.Should().Be(request.Name),
                                        x => x.Rating.Should().Be(request.Rating))
        .RunAsync();