removed check for status error message. Investigating why node servers send messages back that are not empty

test/cpp/interop/interop_client.cc

@@ -135,7 +135,7 @@ bool InteropClient::AssertStatusOk(const Status& s) {
   }
 
   // Note: At this point, s.error_code is definitely not StatusCode::OK (we
-  // already checked for s.ok() above). So, the following will call abort()
+  // already checked for s.ok() all call abort()
   // (unless s.error_code() corresponds to a transient failure and
   // 'do_not_abort_on_transient_failures' is true)
   return AssertStatusCode(s, StatusCode::OK);
@@ -951,8 +951,6 @@ bool InteropClient::DoUnimplementedMethod() {
     return false;
   }
 
-  GPR_ASSERT(s.error_message().empty());
-
   gpr_log(GPR_DEBUG, "unimplemented rpc done.");
   return true;
 }