public void CheckVersionIsProvided_ShouldThrowExceptionIfVersionIsNotProvided()
        {
            // Arrange
            var authData = new AuthenticationData()
            {
                AuthenticationKey = "key",
                BusinessId        = "businessid",
                Version           = 1,
                Endpoint          = "endpoint",
                Verb        = "GET",
                VersionText = "incorrectText"
            };

            // Act Assert
            Assert.Throws <AuthorizationException>(() => _helper.CheckVersionIsProvided(authData));
        }