void ICustomMessageAndExceptionTestDataProvider.PopulateTestDataForCustomExceptionAndCustomMessageTests(CustomMessageAndExceptionTestData testData)
        {
            testData.AddExceptionTest(exception => string.Empty.MustNotBeNullOrWhiteSpace(exception: exception))
            .AddExceptionTest(exception => "    ".MustNotBeNullOrWhiteSpace(exception: exception))
            .AddExceptionTest(exception => "\t\r\n".MustNotBeNullOrWhiteSpace(exception: exception));

            testData.AddMessageTest <EmptyStringException>(message => string.Empty.MustNotBeNullOrWhiteSpace(message: message))
            .AddMessageTest <StringIsOnlyWhiteSpaceException>(message => "    ".MustNotBeNullOrWhiteSpace(message: message))
            .AddMessageTest <StringIsOnlyWhiteSpaceException>(message => "\t\r\n".MustNotBeNullOrWhiteSpace(message: message));
        }