diff --git a/integ/timer_test.go b/integ/timer_test.go
index 3c7ab159..35681e1e 100644
--- a/integ/timer_test.go
+++ b/integ/timer_test.go
@@ -130,6 +130,7 @@ func doTestTimerWorkflow(t *testing.T, backendType service.BackendType, config *
 	}).Execute()
 	panicAtHttpError(err, httpResp)
 
+	time.Sleep(time.Second * 1)
 	timerInfos = service.GetCurrentTimerInfosQueryResponse{}
 	err = uclient.QueryWorkflow(context.Background(), &timerInfos, wfId, "", service.GetCurrentTimerInfosQueryType)
 	if err != nil {
@@ -138,6 +139,7 @@ func doTestTimerWorkflow(t *testing.T, backendType service.BackendType, config *
 	timer2.Status = service.TimerSkipped
 	assertTimerQueryResponseEqual(assertions, expectedTimerInfos, timerInfos)
 
+	time.Sleep(time.Second * 1)
 	httpResp, err = req3.WorkflowSkipTimerRequest(iwfidl.WorkflowSkipTimerRequest{
 		WorkflowId:               wfId,
 		WorkflowStateExecutionId: "S1-1",
@@ -145,6 +147,7 @@ func doTestTimerWorkflow(t *testing.T, backendType service.BackendType, config *
 	}).Execute()
 	panicAtHttpError(err, httpResp)
 
+	time.Sleep(time.Second * 1)
 	timerInfos = service.GetCurrentTimerInfosQueryResponse{}
 	err = uclient.QueryWorkflow(context.Background(), &timerInfos, wfId, "", service.GetCurrentTimerInfosQueryType)
 	if err != nil {