public void CreateCorrespondingProtocolTransformer_CreatesSearchEngineTransformer()
        {
            var validProtocol = new UriProtocol(null);
            var factory       = new ProtocolTransformerFactory();

            var transformer = factory.CreateCorrespondingProtocolTransformer(validProtocol);

            Assert.IsType <SearchEngineTransformer>(transformer);
        }