fix test title

LamentXU123 · LamentXU123 · commit 01c1462b638c · 2026-05-23T12:52:22.000+08:00
diff --git a/ext/intl/tests/msgfmt_parse_int64_min_64.phpt b/ext/intl/tests/msgfmt_parse_int64_min_64.phpt
@@ -1,5 +1,5 @@
 --TEST--
-Bug: MessageFormatter::parse() should preserve PHP_INT_MIN as int on 64-bit
+MessageFormatter::parse() with PHP_INT_MIN on 64-bit platform
 --EXTENSIONS--
 intl
 --SKIPIF--
