✅ Optimize tests execution time (no need for process isolation as long as we leave the premises clean)

core/log.class.inc.php

@@ -1,5 +1,5 @@
 <?php
-// Copyright (C) 2010-2021 Combodo SARL
+// Copyright (C) 2010-2023 Combodo SARL
 //
 //   This file is part of iTop.
 //
@@ -448,7 +448,7 @@ class LogFileNameBuilderFactory
 /**
  * File logging
  *
- * @copyright   Copyright (C) 2010-2021 Combodo SARL
+ * @copyright   Copyright (C) 2010-2023 Combodo SARL
  * @license     http://opensource.org/licenses/AGPL-3.0
  * @since 2.7.0 N°2518 N°2793 file log rotation
  */
@@ -1511,6 +1511,8 @@ class ExceptionLog extends LogAPI
 	 */
 	private static function GetLastEventIssue()
 	{
-		return self::$oLastEventIssue;
+		$oRet = self::$oLastEventIssue;
+		self::$oLastEventIssue = null;
+		return $oRet;
 	}
 }