Fix coordination.Lease validation

pkg/apis/coordination/validation/validation_test.go

@@ -71,6 +71,10 @@ func TestValidateLeaseSpecUpdate(t *testing.T) {
 	oldLeaseDuration := int32(3)
 	oldLeaseTransitions := int32(3)
 	oldLease := &coordination.Lease{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "holder",
+			Namespace: "holder-namespace",
+		},
 		Spec: coordination.LeaseSpec{
 			HolderIdentity:       &oldHolder,
 			LeaseDurationSeconds: &oldLeaseDuration,
@@ -78,7 +82,23 @@ func TestValidateLeaseSpecUpdate(t *testing.T) {
 		},
 	}
 	errs := ValidateLeaseUpdate(lease, oldLease)
-	if len(errs) != 2 {
+	if len(errs) != 3 {
 		t.Errorf("unexpected list of errors: %#v", errs.ToAggregate().Error())
 	}
+
+	validLeaseDuration := int32(10)
+	validLeaseTransitions := int32(20)
+	validLease := &coordination.Lease{
+		ObjectMeta: oldLease.ObjectMeta,
+		Spec: coordination.LeaseSpec{
+			HolderIdentity:       &holder,
+			LeaseDurationSeconds: &validLeaseDuration,
+			LeaseTransitions:     &validLeaseTransitions,
+		},
+	}
+	validLease.ObjectMeta.ResourceVersion = "2"
+	errs = ValidateLeaseUpdate(validLease, oldLease)
+	if len(errs) != 0 {
+		t.Errorf("unexpected list of errors for valid update: %#v", errs.ToAggregate().Error())
+	}
 }