[skip ci] Mark frequently failing fpm test as XFAIL

iluuu1994 · iluuu1994 · commit e31fe111a56b · 2023-05-17T17:42:05.000+02:00
Reported here: #11050 (comment)
diff --git a/sapi/fpm/tests/bug64539-status-json-encoding.phpt b/sapi/fpm/tests/bug64539-status-json-encoding.phpt
@@ -1,5 +1,6 @@
 --TEST--
 FPM: bug64539 - status json format escaping
+--XFAIL--
 --SKIPIF--
 <?php
 include "skipif.inc"; ?>
