public void PerformanceTest()
        {
            StringCaseTransform transform = new StringCaseTransform();

            transform.StringCase = StringCaseType.Lower;

            UnitTestControl.PerformanceTest(() =>
            {
                Assert.AreEqual("this is a test", transform.TransformValue("THIS is a TEST").First());
            }, 400000);
        }
        private void ExecuteTest(StringCaseTransform transform, string sourceValue, string expectedValue)
        {
            string outValue = transform.TransformValue(sourceValue).FirstOrDefault() as string;

            Assert.AreEqual(expectedValue, outValue);
        }