public void ReturnsNullIfValueIsNull()
            {
                var value = ValueRetrieval.GetDateTime(null);

                Assert.That(value, Is.EqualTo(null));
            }
            public void ReturnsDateTimeObjectIfValueIsasdfAndFallbackIsAValidDateTime()
            {
                var value = ValueRetrieval.GetDateTime("adsf", DateTime.Parse("2018-02-06T12:35:45.970Z"));

                Assert.That(value.Value.ToString(), Is.EqualTo("06/02/2018 12:35:45"));
            }