Update Pause image in tests & config

With the introduction of Windows Server 2022, some images have been updated
to support WS2022 in their manifest list. This commit updates the test images
accordingly.

Signed-off-by: Adelina Tuvenie <atuvenie@cloudbasesolutions.com>

integration/client/client_test.go

@@ -330,7 +330,7 @@ func TestImagePullAllPlatforms(t *testing.T) {
 	defer cancel()
 
 	cs := client.ContentStore()
-	img, err := client.Fetch(ctx, "k8s.gcr.io/pause:3.5")
+	img, err := client.Fetch(ctx, "k8s.gcr.io/pause:3.6")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -380,7 +380,7 @@ func TestImagePullSomePlatforms(t *testing.T) {
 
 	// Note: Must be different to the image used in TestImagePullAllPlatforms
 	// or it will see the content pulled by that, and fail.
-	img, err := client.Fetch(ctx, "k8s.gcr.io/pause:3.2", opts...)
+	img, err := client.Fetch(ctx, "k8s.gcr.io/e2e-test-images/busybox:1.29-2", opts...)
 	if err != nil {
 		t.Fatal(err)
 	}

integration/client/image_test.go

@@ -31,7 +31,7 @@ import (
 )
 
 func TestImageIsUnpacked(t *testing.T) {
-	const imageName = "k8s.gcr.io/pause:3.5"
+	const imageName = "k8s.gcr.io/pause:3.6"
 	ctx, cancel := testContext(t)
 	defer cancel()
 
@@ -137,7 +137,7 @@ func TestImageUsage(t *testing.T) {
 		t.Skip()
 	}
 
-	imageName := "k8s.gcr.io/pause:3.5"
+	imageName := "k8s.gcr.io/pause:3.6"
 	ctx, cancel := testContext(t)
 	defer cancel()
 

integration/client/lease_test.go

@@ -55,7 +55,7 @@ func TestLeaseResources(t *testing.T) {
 	defer ls.Delete(ctx, l, leases.SynchronousDelete)
 
 	// step 1: download image
-	imageName := "k8s.gcr.io/pause:3.5"
+	imageName := "k8s.gcr.io/pause:3.6"
 
 	image, err := client.Pull(ctx, imageName, WithPullUnpack, WithPullSnapshotter("native"))
 	if err != nil {