Fixing Cpp tests.
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index cfb6c21..74290c3 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -199,7 +199,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel);
   }
 
@@ -749,7 +749,7 @@
 
 TEST_P(AsyncEnd2endTest, UnimplementedRpc) {
   std::shared_ptr<Channel> channel =
-      CreateChannel(server_address_.str(), InsecureCredentials());
+      CreateChannel(server_address_.str(), InsecureChannelCredentials());
   std::unique_ptr<grpc::cpp::test::util::UnimplementedService::Stub> stub;
   stub = grpc::cpp::test::util::UnimplementedService::NewStub(channel);
   EchoRequest send_request;