Tag a test as unstable

* test/lisp/calendar/lunar-tests.el (lunar-test-phase-list):
Mark as unstable.  Eg fails on hydra.nixos.org.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/lisp/calendar/lunar-tests.el b/test/lisp/calendar/lunar-tests.el
index 8d8a988e503..d2647aac03a 100644
--- a/test/lisp/calendar/lunar-tests.el
+++ b/test/lisp/calendar/lunar-tests.el
@@ -42,7 +42,12 @@
   (with-lunar-test
    (should (equal (eclipse-check 1 1) "**  Eclipse **"))))
 
+;; This fails in certain time zones.
+;; Eg TZ=America/Phoenix make lisp/calendar/lunar-tests
+;; Similarly with TZ=UTC.
+;; Daylight saving related?
 (ert-deftest lunar-test-phase-list ()
+  :tags '(:unstable)
   (with-lunar-test
    (should (equal  (lunar-phase-list 3 1871)
                    '(((3 20 1871) "11:03pm" 0 "")