* [refac bug #63735] Adjust logHistory method.

module/action/model.php

@@ -632,7 +632,7 @@ class actionModel extends model
      */
     public function logHistory(int $actionID, array $changes): bool
     {
-        if(empty($actionID)) return false;
+        if(empty($actionID) || empty($changes)) return false;
         foreach($changes as $change)
         {
             $change = is_array($change) ? json_decode(json_encode($change)) : $change;
@@ -2720,4 +2720,4 @@ class actionModel extends model
         }
         return array_values($actions);
     }
-}
+}

module/testtask/control.php

@@ -657,7 +657,7 @@ class testtask extends control
             if($changes || $this->post->comment)
             {
                 $actionID = $this->loadModel('action')->create('testtask', $taskID, 'Closed', $this->post->comment);
-                $this->action->logHistory($actionID, $changes);
+                if($changes) $this->action->logHistory($actionID, $changes);
             }
 
             $message = $this->executeHooks($taskID) ?: $this->lang->saveSuccess;