private static async Task <dynamic> CreateDocumentClientFromAssembly(Assembly assembly)
        {
            // Define parameters for class constructor 'DocumentClient(Uri serviceEndpoint, string authKeyOrResourceToken)'
            object[] documentClientConstructorParameters = new object[]
            {
                new Uri(ConfigurationManager.AppSettings["GatewayEndpoint"]),
                ConfigurationManager.AppSettings["MasterKey"],
                null,
                null
            };

            dynamic documentClient = IndexingPolicyTests.CreateTypeFromAssembly <DocumentClient>(assembly, documentClientConstructorParameters);
            await documentClient.OpenAsync();

            return(documentClient);
        }