change: remove unused step identifier

step.go

@@ -71,7 +71,6 @@ type ActionResult struct {
 // one testcase contains one or multiple steps
 type StepResult struct {
 	Name        string                 `json:"name" yaml:"name"`                                     // step name
-	Identifier  string                 `json:"identifier,omitempty" yaml:"identifier,omitempty"`     // step identifier
 	StartTime   int64                  `json:"start_time" yaml:"time"`                               // step start time in millisecond(ms)
 	StepType    StepType               `json:"step_type" yaml:"step_type"`                           // step type, testcase/request/transaction/rendezvous
 	Success     bool                   `json:"success" yaml:"success"`                               // step execution result

step_ui.go

@@ -755,24 +755,6 @@ func runStepMobileUI(s *SessionRunner, step IStep) (stepResult *StepResult, err
 		return stepResult, err
 	}
 
-	identifier := mobileStep.Identifier
-	if mobileStep.Options != nil && identifier == "" {
-		identifier = mobileStep.Options.Identifier
-	}
-	if len(mobileStep.Actions) != 0 && identifier == "" {
-		for _, action := range mobileStep.Actions {
-			if action.Identifier != "" {
-				identifier = action.Identifier
-				break
-			}
-			if action.Options != nil && action.Options.Identifier != "" {
-				identifier = action.Options.Identifier
-				break
-			}
-		}
-	}
-	stepResult.Identifier = identifier
-
 	defer func() {
 		attachments := uixt.Attachments{}
 		if err != nil {