public void EmptyOrNotEmpty()
        {
            List <string> models = SampleMethod.GetModels();

            Assert.NotEmpty(models);
            Assert.Empty(new List <int>());
        }
        public void NullOrNotNull()
        {
            List <string> models = SampleMethod.GetModels();

            Assert.NotNull(models);
            Assert.Null(null);
        }
        public void ContainOrDoesNotContains()
        {
            string        brand  = SampleMethod.GetBrand();
            List <string> models = SampleMethod.GetModels();

            Assert.Contains("agen", brand);
            Assert.DoesNotContain("skoda", brand);

            Assert.Contains(models, item => item.Equals("Golf", StringComparison.OrdinalIgnoreCase));
        }