Address code review comments

src/cpp/server/server_context.cc

@@ -177,7 +177,7 @@ void ServerContext::TryCancel() const {
   grpc_call_error err = grpc_call_cancel_with_status(
       call_, GRPC_STATUS_CANCELLED, "Cancelled on the server side", NULL);
   if (err != GRPC_CALL_OK) {
-    gpr_log(GPR_INFO, "TryCancel failed with: %d", err);
+    gpr_log(GPR_ERROR, "TryCancel failed with: %d", err);
   }
 }
 

test/cpp/end2end/async_end2end_test.cc

@@ -884,13 +884,12 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     // Server sends the final message and cancelled status (but the RPC is
     // already cancelled at this point. So we expect the operation to fail)
-    send_response.set_message("Pong");
     srv_stream.Finish(send_response, Status::CANCELLED, tag(9));
     Verifier(GetParam()).Expect(9, false).Verify(cq_.get());
 
     // Client will see the cancellation
     cli_stream->Finish(&recv_status, tag(10));
-    // TODO: sreek: The expectation here should be true. This is a bug (github
+    // TODO(sreek): The expectation here should be true. This is a bug (github
     // issue #4972)
     Verifier(GetParam()).Expect(10, false).Verify(cq_.get());
     EXPECT_FALSE(recv_status.ok());