Fix some envtests:

Add required container name and image to statefulsets.
Pin envtest k8s version to latest supported version (1.34).

Author: dsessler7

Makefile

@@ -20,6 +20,7 @@ GO_BUILD = $(GO) build
 GO_TEST ?= $(GO) test
 KUTTL ?= $(GO) run github.com/kudobuilder/kuttl/cmd/kubectl-kuttl@latest
 KUTTL_TEST ?= $(KUTTL) test
+ENVTEST_K8S_VERSION ?= 1.34
 
 ##@ General
 

internal/controller/postgrescluster/apply_test.go

@@ -151,6 +151,14 @@ func TestServerSideApply(t *testing.T) {
 				MatchLabels: map[string]string{"select": name},
 			}
 			sts.Spec.Template.Labels = map[string]string{"select": name}
+			sts.Spec.Template.Spec = corev1.PodSpec{
+				Containers: []corev1.Container{
+					{
+						Name:  "some-container",
+						Image: "some-image",
+					},
+				},
+			}
 			return &sts
 		}
 

internal/controller/postgrescluster/controller_ref_manager_test.go

@@ -46,6 +46,14 @@ func TestManageControllerRefs(t *testing.T) {
 				ObjectMeta: metav1.ObjectMeta{
 					Labels: map[string]string{"label1": "val1"},
 				},
+				Spec: corev1.PodSpec{
+					Containers: []corev1.Container{
+						{
+							Name:  "some-container",
+							Image: "some-image",
+						},
+					},
+				},
 			},
 		},
 	}

internal/controller/postgrescluster/pgbackrest_test.go

@@ -1679,7 +1679,14 @@ func TestGetPGBackRestResources(t *testing.T) {
 						ObjectMeta: metav1.ObjectMeta{
 							Labels: naming.PGBackRestDedicatedLabels(clusterName),
 						},
-						Spec: corev1.PodSpec{},
+						Spec: corev1.PodSpec{
+							Containers: []corev1.Container{
+								{
+									Name:  "some-container",
+									Image: "some-image",
+								},
+							},
+						},
 					},
 				},
 			},
@@ -1717,7 +1724,14 @@ func TestGetPGBackRestResources(t *testing.T) {
 						ObjectMeta: metav1.ObjectMeta{
 							Labels: naming.PGBackRestDedicatedLabels(clusterName),
 						},
-						Spec: corev1.PodSpec{},
+						Spec: corev1.PodSpec{
+							Containers: []corev1.Container{
+								{
+									Name:  "some-container",
+									Image: "some-image",
+								},
+							},
+						},
 					},
 				},
 			},
@@ -1753,7 +1767,14 @@ func TestGetPGBackRestResources(t *testing.T) {
 						ObjectMeta: metav1.ObjectMeta{
 							Labels: naming.PGBackRestDedicatedLabels(clusterName),
 						},
-						Spec: corev1.PodSpec{},
+						Spec: corev1.PodSpec{
+							Containers: []corev1.Container{
+								{
+									Name:  "some-container",
+									Image: "some-image",
+								},
+							},
+						},
 					},
 				},
 			},

internal/controller/standalone_pgadmin/statefulset_test.go

@@ -35,6 +35,7 @@ func TestReconcilePGAdminStatefulSet(t *testing.T) {
 	pgadmin := new(v1beta1.PGAdmin)
 	pgadmin.Name = "test-standalone-pgadmin"
 	pgadmin.Namespace = ns.Name
+	pgadmin.Spec.Image = initialize.String("some-image")
 
 	assert.NilError(t, cc.Create(ctx, pgadmin))
 	t.Cleanup(func() { assert.Check(t, cc.Delete(ctx, pgadmin)) })
@@ -103,6 +104,7 @@ terminationGracePeriodSeconds: 30
 		// add pod level customizations
 		custompgadmin.Name = "custom-pgadmin"
 		custompgadmin.Namespace = ns.Name
+		custompgadmin.Spec.Image = initialize.String("some-image")
 
 		// annotation and label
 		custompgadmin.Spec.Metadata = &v1beta1.Metadata{