fix: Fix unit test with missing createRunningPods() (argoproj#6585)

Signed-off-by: Yuan Tang <[email protected]>

workflow/controller/controller_test.go

@@ -281,9 +281,7 @@ func withAnnotation(key, val string) with {
 
 // createRunningPods creates the pods that are marked as running in a given test so that they can be accessed by the
 // pod assessor
-// This function is called `createRunningPods`, but since it is currently not used and should not be removed it has been
-// renamed to `_` until a use is found.
-func _(ctx context.Context, woc *wfOperationCtx) {
+func createRunningPods(ctx context.Context, woc *wfOperationCtx) {
  podcs := woc.controller.kubeclientset.CoreV1().Pods(woc.wf.GetNamespace())
  for _, node := range woc.wf.Status.Nodes {
  if node.Type == wfv1.NodeTypePod && node.Phase == wfv1.NodeRunning {