Skip L2 UDN route advertisements tests for LGW mode

Signed-off-by: Peng Liu <[email protected]>

Author: pliurh

test/e2e/route_advertisements.go

@@ -20,7 +20,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	utilnet "k8s.io/utils/net"
 
-	"github.com/ovn-org/ovn-kubernetes/go-controller/pkg/types"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/kubernetes/test/e2e/framework"
@@ -525,10 +524,10 @@ var _ = ginkgo.DescribeTableSubtree("BGP: isolation between advertised networks"
 		var cudnA, cudnB *udnv1.ClusterUserDefinedNetwork
 		var ra *rav1.RouteAdvertisements
 
-		if cudnATemplate.Spec.Network.Topology == types.Layer2Topology && isLocalGWModeEnabled() {
-			e2eskipper.Skipf("Advertising Layer2 UDNs is not currently supported in LGW")
-		}
 		ginkgo.BeforeEach(func() {
+			if cudnATemplate.Spec.Network.Topology == udnv1.NetworkTopologyLayer2 && isLocalGWModeEnabled() {
+				e2eskipper.Skipf("Advertising Layer2 UDNs is not currently supported in LGW")
+			}
 			ginkgo.By("Configuring primary UDN namespaces")
 			var err error
 			udnNamespaceA, err = f.CreateNamespace(context.TODO(), f.BaseName, map[string]string{
@@ -666,6 +665,9 @@ var _ = ginkgo.DescribeTableSubtree("BGP: isolation between advertised networks"
 		})
 
 		ginkgo.AfterEach(func() {
+			if cudnATemplate.Spec.Network.Topology == udnv1.NetworkTopologyLayer2 && isLocalGWModeEnabled() {
+				return
+			}
 			gomega.Expect(f.ClientSet.CoreV1().Pods(udnNamespaceA.Name).DeleteCollection(context.Background(), metav1.DeleteOptions{}, metav1.ListOptions{})).To(gomega.Succeed())
 			gomega.Expect(f.ClientSet.CoreV1().Pods(udnNamespaceB.Name).DeleteCollection(context.Background(), metav1.DeleteOptions{}, metav1.ListOptions{})).To(gomega.Succeed())