chore: add more ut

Author: wencaiwulue

pkg/handler/function_test.go

@@ -65,6 +65,7 @@ func TestFunctions(t *testing.T) {
 	kubevpnProxyWithServiceMeshAndGvisorMode(t)
 	commonTest(t)
 	t.Run("serviceMeshReviewsServiceIP", serviceMeshReviewsServiceIP)
+	kubevpnQuit(t)
 }
 
 func commonTest(t *testing.T) {
@@ -424,6 +425,16 @@ func kubevpnStatus(t *testing.T) {
 	}
 }
 
+func kubevpnQuit(t *testing.T) {
+	cmd := exec.Command("kubevpn", "quit")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err := cmd.Run()
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
 func kubectl(t *testing.T) {
 	cmd := exec.Command("kubectl", "get", "pods", "-o", "wide")
 	cmd.Stdout = os.Stdout