diff --git a/e2e/random/query.go b/e2e/random/query.go
index 6bd18375..3640536e 100644
--- a/e2e/random/query.go
+++ b/e2e/random/query.go
@@ -115,6 +115,7 @@ func (s *QueryTestSuite) TestQueryCmd() {
 	requestID := txResult.Events[8].Attributes[0].Value
 	heightStr := txResult.Events[8].Attributes[2].Value
 	requestHeight, err := strconv.ParseInt(heightStr, 10, 64)
+	s.Require().NoError(err)
 
 	// ------test GetCmdQueryRandomRequestQueue()-------------
 	url := fmt.Sprintf("%s/irismod/random/queue", baseURL)
diff --git a/e2e/random/tx.go b/e2e/random/tx.go
index 2ec53215..3c96c9a2 100644
--- a/e2e/random/tx.go
+++ b/e2e/random/tx.go
@@ -112,7 +112,6 @@ func (s *TxTestSuite) TestTxCmd() {
 	requestID := txResult.Events[8].Attributes[0].Value
 	heightStr := txResult.Events[8].Attributes[2].Value
 	requestHeight, err := strconv.ParseInt(heightStr, 10, 64)
-
 	s.Require().NoError(err)
 
 	// ------test GetCmdQueryRandomRequestQueue()-------------
diff --git a/e2e/sim_test.go b/e2e/sim_test.go
index 7d58c3d6..187b6a57 100644
--- a/e2e/sim_test.go
+++ b/e2e/sim_test.go
@@ -430,9 +430,10 @@ func TestAppSimulationAfterImport(t *testing.T) {
 	)
 	require.Equal(t, "SimApp", newApp.Name())
 
-	newApp.InitChain(&abci.RequestInitChain{
+	_, err = newApp.InitChain(&abci.RequestInitChain{
 		AppStateBytes: exported.AppState,
 	})
+	require.NoError(t, err)
 	_, _, err = simulation.SimulateFromSeed(
 		t,
 		os.Stdout,
diff --git a/simapp/test_helpers.go b/simapp/test_helpers.go
index 50267efe..ba42c265 100644
--- a/simapp/test_helpers.go
+++ b/simapp/test_helpers.go
@@ -752,7 +752,10 @@ func QueryBalanceExec(
 		Address: address,
 		Denom:   denom,
 	}
-	result, err := queryClient.Balance(context.Background(), req)
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	result, err := queryClient.Balance(ctx, req)
 	if err != nil {
 		t.Fatalf("failed to query balances: %v", err)
 	}