Fix test on non-UTC environments

mbeccati · mbeccati · commit 5373f5dd9d1e · 2024-02-19T15:18:48.000+01:00
diff --git a/ext/date/tests/gh10747-1.phpt b/ext/date/tests/gh10747-1.phpt
@@ -1,5 +1,7 @@
 --TEST--
 Bug GH-10747 (Private fields in serialized DateTimeImmutable objects throw)
+--INI--
+date.timezone=UTC
 --FILE--
 <?php
 class I extends DateTimeImmutable
