public void ItemInContainer()
        {
            List<int> list = new List<int> { 42 };

            DoesNotContainException ex =
                Assert.Throws<DoesNotContainException>(() => Assert.DoesNotContain(42, list));

            Assert.Equal("Assert.DoesNotContain() Failure: Found: 42", ex.Message);
        }
        public static void ItemInContainer()
        {
            var list = new List <int> {
                42
            };

            DoesNotContainException ex =
                Assert.Throws <DoesNotContainException>(() => Assert.DoesNotContain(42, list));

            Assert.Equal("Assert.DoesNotContain() Failure" + Environment.NewLine +
                         "Found:    42" + Environment.NewLine +
                         "In value: List<Int32> [42]", ex.Message);
        }