Mark failing icalendar test as unstable (bug#56241)

* test/lisp/calendar/icalendar-tests.el
(icalendar-export-bug-56241-dotted-pair):
This test started failing early July 2023 in multiple branches at
once without any change to the code and is likely sensitive to the
current date.  Tag it to keep it quiet for now.

diff --git a/test/lisp/calendar/icalendar-tests.el b/test/lisp/calendar/icalendar-tests.el
index 27076f5ce1f672a7325f6defeacc0538ab98c8a4..9071607005ddf43e826004d69d9a034c3bf1d5c0 100644 (file)
--- a/test/lisp/calendar/icalendar-tests.el
+++ b/test/lisp/calendar/icalendar-tests.el
@@ -999,6 +999,9 @@ END:VALARM
 
 (ert-deftest icalendar-export-bug-56241-dotted-pair ()
   "See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56241#5"
+  ;; This test started failing early July 2023 without any apparent change
+  ;; to the underlying code, so is probably sensitive to the current date.
+  :tags '(:unstable)
   (let ((icalendar-export-sexp-enumeration-days 366))
     (mapc (lambda (diary-string)
             (should (string= "" (icalendar-tests--get-error-string-for-export