migrate code to single client-side class
diff --git a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
index ed402c5..c7792f7 100644
--- a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
@@ -53,7 +53,7 @@
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.TestServiceClientBase client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()