Fix example test for working with 1.26 code base

This commit updates the validation logic by adding new validation
options required by 1.26 and also adds new YAMLs to the test cases.

Author: tengqm

content/en/examples/examples_test.go

@@ -152,9 +152,17 @@ func validateObject(obj runtime.Object) (errors field.ErrorList) {
 		AllowDownwardAPIHugePages:       true,
 		AllowInvalidPodDeletionCost:     false,
 		AllowIndivisibleHugePagesValues: true,
-		AllowWindowsHostProcessField:    true,
 		AllowExpandedDNSConfig:          true,
 	}
+	netValidationOptions := networking_validation.NetworkPolicyValidationOptions{
+		AllowInvalidLabelValueInSelector: false,
+	}
+	pdbValidationOptions := policy_validation.PodDisruptionBudgetValidationOptions{
+		AllowInvalidLabelValueInSelector: false,
+	}
+	clusterroleValidationOptions := rbac_validation.ClusterRoleValidationOptions{
+		AllowInvalidLabelValueInSelector: false,
+	}
 
 	// Enable CustomPodDNS for testing
 	// feature.DefaultFeatureGate.Set("CustomPodDNS=true")
@@ -304,15 +312,15 @@ func validateObject(obj runtime.Object) (errors field.ErrorList) {
 		if t.Namespace == "" {
 			t.Namespace = api.NamespaceDefault
 		}
-		errors = networking_validation.ValidateNetworkPolicy(t)
+		errors = networking_validation.ValidateNetworkPolicy(t, netValidationOptions)
 	case *policy.PodDisruptionBudget:
 		if t.Namespace == "" {
 			t.Namespace = api.NamespaceDefault
 		}
-		errors = policy_validation.ValidatePodDisruptionBudget(t)
+		errors = policy_validation.ValidatePodDisruptionBudget(t, pdbValidationOptions)
 	case *rbac.ClusterRole:
 		// clusterole does not accept namespace
-		errors = rbac_validation.ValidateClusterRole(t)
+		errors = rbac_validation.ValidateClusterRole(t, clusterroleValidationOptions)
 	case *rbac.ClusterRoleBinding:
 		// clusterolebinding does not accept namespace
 		errors = rbac_validation.ValidateClusterRoleBinding(t)
@@ -559,7 +567,9 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"pod-with-affinity-anti-affinity":     {&api.Pod{}},
 			"pod-with-node-affinity":              {&api.Pod{}},
 			"pod-with-pod-affinity":               {&api.Pod{}},
+			"pod-with-scheduling-gates":           {&api.Pod{}},
 			"pod-with-toleration":                 {&api.Pod{}},
+			"pod-without-scheduling-gates":        {&api.Pod{}},
 			"private-reg-pod":                     {&api.Pod{}},
 			"share-process-namespace":             {&api.Pod{}},
 			"simple-pod":                          {&api.Pod{}},