fix test

Author: michalsn

tests/system/Database/Live/PreparedQueryTest.php

@@ -341,5 +341,7 @@ public function testHandleTransStatusMarksTransactionFailedDuringTransaction():
             'key'   => 'test_key',
             'value' => 'test_value'
         ]);
+
+        $this->db->resetTransStatus();
     }
 }