public async Task Should_Contain_Specific_Cat()
        {
            var cat  = Cats.FirstOrDefault();
            var cats = await CatRepository.GetAllAsync();

            cats.FirstOrDefault(x => x.Name == cat.Name).Should().NotBeNull();
        }
        public async Task Should_Get_Exactly_3_Cats()
        {
            var results = await CatRepository.GetAllAsync();

            results.Count().Should().BeGreaterThan(0);
        }
        public async Task Should_Get_All_Cats()
        {
            var cats = await CatRepository.GetAllAsync();

            cats.Count().Should().BeGreaterThan(0);
        }