diff --git a/modules/dreamview/backend/sim_control/sim_control_test.cc b/modules/dreamview/backend/sim_control/sim_control_test.cc
index f967a953ce54675433821251b6bc31cc9dee6bc5..65efefaf7de3deabafd0447a8e54e15983c124bc 100644
--- a/modules/dreamview/backend/sim_control/sim_control_test.cc
+++ b/modules/dreamview/backend/sim_control/sim_control_test.cc
@@ -125,9 +125,22 @@ TEST_F(SimControlTest, Test) {
     sim_control_->RunOnce();
 
     node_->Observe();
+    int32_t count = 100;
+    while (count-- > 0 && nullptr == chassis_reader_->GetLatestObserved()) {
+      usleep(10000);
+      continue;
+    }
+    count = 100;
+    while (count-- > 0 && nullptr == localization_reader_->GetLatestObserved()) {
+      usleep(10000);
+      continue;
+    }
     const auto chassis = chassis_reader_->GetLatestObserved();
     const auto localization = localization_reader_->GetLatestObserved();
 
+    ASSERT_TRUE(chassis != nullptr);
+    ASSERT_TRUE(localization != nullptr);
+
     EXPECT_TRUE(chassis->engine_started());
     EXPECT_EQ(Chassis::COMPLETE_AUTO_DRIVE, chassis->driving_mode());
     EXPECT_EQ(Chassis::GEAR_DRIVE, chassis->gear_location());