subtask: new result should be formatted with underscores (#139)

Signed-off-by: Romain Beuque <romain.beuque@corp.ovh.com>

Author: rbeuque74

pkg/plugins/builtin/subtask/README.md

@@ -39,10 +39,10 @@ None.
 
 ### Output
 
-| Name                | Description                               |
-| ------------------- | ----------------------------------------- |
-| `id`                | The public identifier of the task         |
-| `state`             | The state of the task                     |
-| `result`            | The result of the task                    |
-| `resolverUsername`  | The username of the resolver of the task  |
-| `requesterUsername` | The username ot the requester of the task |
+| Name                 | Description                               |
+| -------------------- | ----------------------------------------- |
+| `id`                 | The public identifier of the task         |
+| `state`              | The state of the task                     |
+| `result`             | The result of the task                    |
+| `resolver_username`  | The username of the resolver of the task  |
+| `requester_username` | The username ot the requester of the task |

pkg/plugins/builtin/subtask/subtask.go

@@ -142,10 +142,10 @@ func exec(stepName string, config interface{}, ctx interface{}) (interface{}, in
 		stepError = fmt.Errorf("Task '%s' not done yet", t.PublicID)
 	}
 	return map[string]interface{}{
-		"id":                t.PublicID,
-		"state":             t.State,
-		"result":            t.Result,
-		"resolverUsername":  t.ResolverUsername,
-		"requesterUsername": t.RequesterUsername,
+		"id":                 t.PublicID,
+		"state":              t.State,
+		"result":             t.Result,
+		"resolver_username":  t.ResolverUsername,
+		"requester_username": t.RequesterUsername,
 	}, nil, stepError
 }