fix tests

pkg/controllers/resources/pods/syncer.go

@@ -347,6 +347,16 @@ func (s *podSyncer) Sync(ctx *synccontext.SyncContext, event *synccontext.SyncEv
 		return ctrl.Result{}, err
 	}
 
+	// ignore the QOSClass field while updating pod status when there is a
+	// mismatch in this field value on vcluster and host. This field
+	// has become immutable from k8s 1.32 version and patch fails if
+	// syncer tries to update this field.
+	// This needs to be done before patch object is created at
+	// NewSyncerPatcher is called so that there are no
+	// differences found in host QOSClass and virtual QOSClass and
+	// a patch event for this field is not created
+	event.Host.Status.QOSClass = event.VirtualOld.Status.QOSClass
+
 	// patch objects
 	patch, err := patcher.NewSyncerPatcher(ctx, event.Host, event.Virtual, patcher.TranslatePatches(ctx.Config.Sync.ToHost.Pods.Patches, false))
 	if err != nil {

pkg/controllers/resources/pods/translate/diff.go

@@ -13,12 +13,6 @@ import (
 )
 
 func (t *translator) Diff(ctx *synccontext.SyncContext, event *synccontext.SyncEvent[*corev1.Pod]) error {
-	// ignore the QOSClass field while updating pod status when there is a
-	// mismatch in this field value on vcluster and host. This field
-	// has become immutable from k8s 1.32 version and patch fails if
-	// syncer tries to update this field.
-	event.Host.Status.QOSClass = event.VirtualOld.Status.QOSClass
-
 	// sync conditions
 	event.Virtual.Status.Conditions, event.Host.Status.Conditions = patcher.CopyBidirectional(
 		event.VirtualOld.Status.Conditions,

test/e2e/syncer/pods/pods.go

@@ -83,6 +83,12 @@ var _ = ginkgo.Describe("Pods are running in the host cluster", func() {
 
 		// ignore HostIP differences
 		resetHostIP(vpod, pod)
+
+		// Since k8s 1.32, status.QOSClass field has become immutable,
+		// hence we have stopeed syncing it. So ignore
+		// the differences in the status.QOSClass field
+		ignoreQOSClassDiff(vpod, pod)
+
 		framework.ExpectEqual(vpod.Status, pod.Status)
 
 		// check for ephemeralContainers subResource
@@ -694,3 +700,6 @@ func resetHostIP(vpod, pod *corev1.Pod) {
 	vpod.Status.HostIP, pod.Status.HostIP = "", ""
 	vpod.Status.HostIPs, pod.Status.HostIPs = nil, nil
 }
+func ignoreQOSClassDiff(vpod, pod *corev1.Pod) {
+	pod.Status.QOSClass = vpod.Status.QOSClass
+}