Merge pull request #5033 from Affan-7/e2e-test

Add combined case 3 in the lazy activation policy tests

test/e2e/lazy_activation_policy_test.go

@@ -158,6 +158,25 @@ var _ = ginkgo.Describe("Lazy activation policy testing", func() {
 			})
 		})
 
+		// Combined Case 3 (Policy preemption)
+		// refer: https://github.com/karmada-io/karmada/blob/release-1.9/docs/proposals/scheduling/activation-preference/lazy-activation-preference.md#combined-case-3-policy-preemption
+
+		ginkgo.It("Combined Case 3 (Policy preemption)", func() {
+			ginkgo.By("step 1: deployment propagate success when policy created before it", func() {
+				waitDeploymentPresentOnCluster(originalCluster, namespace, deploymentName)
+			})
+
+			ginkgo.By("step 2: create PP2 (match nginx, cluster=member2, not lazy, priority=2, preemption=true)", func() {
+				policyHigherPriority.Spec.ActivationPreference = "" // remove lazy activationPreference field
+				framework.CreatePropagationPolicy(karmadaClient, policyHigherPriority)
+				waitDeploymentPresentOnCluster(modifiedCluster, namespace, deploymentName)
+			})
+
+			ginkgo.By("step 3: clean up", func() {
+				framework.RemovePropagationPolicyIfExist(karmadaClient, namespace, policyHigherPriorityName)
+			})
+		})
+
 		// Combined Case 4 (Policy preemption)
 		// refer: https://github.com/karmada-io/karmada/blob/release-1.9/docs/proposals/scheduling/activation-preference/lazy-activation-preference.md#combined-case-4-policy-preemption
 		ginkgo.It("Policy preemption", func() {