util/retry RetryOnConflict returns nil err if fn returns wait.ErrWaitTimeout

README.md

$ go run main.go  
2018/05/31 13:37:05 watch.Util returned err=&errors.errorString{s:"timed out waiting for the condition"}
2018/05/31 13:37:05 RetryOnConflict returned err=<nil>

main.go

package main

import (
	"log"
	"time"

	"k8s.io/apimachinery/pkg/watch"
	"k8s.io/client-go/util/retry"
)

func main() {
	var watcher = watch.NewFake()
	var timeout = 100 * time.Millisecond

	err := retry.RetryOnConflict(retry.DefaultBackoff, func() error {
		if ev, err := watch.Until(timeout, watcher, func(event watch.Event) (bool, error) { return false, nil }); err != nil {
			log.Printf("watch.Util returned err=%#v", err)
			return err
		} else {
			log.Printf("watch.Until returned ev=%#v", ev)
			return nil
		}
	})

	log.Printf("RetryOnConflict returned err=%#v", err)
}