Fix for issue 2232: Many lines of "Could not find any stages to run" on run (#2272)

* Initial commit

* Put the tests back

* Remove unnecessary checks

* Remove unneeded check and fix test code

---------

Co-authored-by: Jason Song <i@wolfogre.com>

pkg/model/planner.go

@@ -382,10 +382,6 @@ func createStages(w *Workflow, jobIDs ...string) ([]*Stage, error) {
 		stages = append(stages, stage)
 	}
 
-	if len(stages) == 0 {
-		return nil, fmt.Errorf("Could not find any stages to run. View the valid jobs with `act --list`. Use `act --help` to find how to filter by Job ID/Workflow/Event Name")
-	}
-
 	return stages, nil
 }