public void AddActivityConsumerObserverWithTracing_ConsumeObserverConnectorIsNull_ThrowsArgumentNullException()
        {
            var exception = Assert.Throws <ArgumentNullException>(() => ConsumeObserverConnectorExtensions.AddActivityConsumerObserverWithTracing(null, null));

            Assert.Equal("consumeObserverConnector", exception.ParamName);
        }