[https://nvbugs/5612529][fix] Fix transferAgent_test (#8710)

Signed-off-by: Chuang Zhu <[email protected]>

Author: chuangz0

cpp/tests/unit_tests/executor/transferAgentTest.cpp

@@ -259,9 +259,9 @@ TEST_F(TransferAgentTest, SyncMessage)
         checked = nixlAgent0->checkRemoteDescs(agent1, regMem3.getDescs());
     } while (!checked);
     auto syncMessage = std::string("agent_sync_message");
-    nixlAgent0->notifySyncMessage(agent1, syncMessage);
     TransferRequest writeReq{TransferOp::kWRITE, regMem0.getDescs(), regMem3.getDescs(), agent1};
     auto status = nixlAgent0->submitTransferRequests(writeReq);
+    nixlAgent0->notifySyncMessage(agent1, syncMessage);
 
     auto notif = nixlAgent1->getNotifiedSyncMessages();
     for (std::size_t i = 0; i < MAX_QUERY_TIMES && notif.size() == 0; i++)
@@ -307,9 +307,10 @@ TEST_F(TransferAgentTest, SyncMessage)
     } while (!checked2);
 
     std::string syncMessage4 = "four_agent_sync_message";
-    nixlAgent1->notifySyncMessage(agent0, syncMessage4);
     TransferRequest writeReq1{TransferOp::kWRITE, regMem2.getDescs(), regMem1.getDescs(), agent0};
     auto status1 = nixlAgent1->submitTransferRequests(writeReq1);
+    nixlAgent1->notifySyncMessage(agent0, syncMessage4);
+
     auto notif4 = nixlAgent0->getNotifiedSyncMessages();
     for (std::size_t i = 0; i < MAX_QUERY_TIMES && notif4.size() == 0; i++)
     {