Further work. Compiles. WIP
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index 5e29e7a..d452be3 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -37,6 +37,7 @@
 
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
+#include <grpc++/completion_queue.h>
 #include <grpc++/generic/generic_stub.h>
 #include <grpc++/support/byte_buffer.h>
 #include <grpc/grpc.h>