add start ordinal e2e case

Signed-off-by: Abner-1 <yuanyuxing.yyx@alibaba-inc.com>

go.mod

@@ -104,7 +104,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/gomodule/redigo v2.0.0+incompatible // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-cmp v0.6.0
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0 // indirect

pkg/controller/statefulset/stateful_set_control.go

@@ -997,6 +997,8 @@ func (ssc *defaultStatefulSetControl) processCondemned(ctx context.Context, set
 //	If decreaseAndCheckMaxUnavailable(scaleMaxUnavailable) returns true,
 //	break the pod for-loop and proceed with the update logic,
 //	which will apply in-place conditions to make the pod ready.
+//
+// For example: update unhealthy pods or add some conditions
 func (ssc *defaultStatefulSetControl) processReplica(
 	ctx context.Context,
 	set *appsv1beta1.StatefulSet,
@@ -1051,8 +1053,6 @@ func (ssc *defaultStatefulSetControl) processReplica(
 				set.Namespace,
 				set.Name,
 				replicas[i].Name)
-			// here, we change break action in for-loop to exit update function
-			// todo: pay attention to this change
 			return false, true, nil
 		}
 		// pod created, no more work possible for this round