Mark an mml-sec test as unstable

* test/lisp/gnus/mml-sec-tests.el
(mml-secure-en-decrypt-sign-1-1-single): Mark the test as unstable
(bug#42720).  It sometimes fails on some systems (Fedora?) when
run with "-j5", so there may be a race condition in the code somewhere.

diff --git a/test/lisp/gnus/mml-sec-tests.el b/test/lisp/gnus/mml-sec-tests.el
index 917e627c7ec78273dc6641309efcddabfe2aa78e..8f78a66f61648ee945a129a5087942516a3bb040 100644 (file)
--- a/test/lisp/gnus/mml-sec-tests.el
+++ b/test/lisp/gnus/mml-sec-tests.el
@@ -623,6 +623,7 @@ In this test, encrypt-to-self variables are set to lists."
 (ert-deftest mml-secure-en-decrypt-sign-1-1-single ()
   "Sign and encrypt message; then decrypt and test for expected result.
 In this test, just multiple encryption and signing keys may be available."
+  :tags '(:unstable)
   (skip-unless (test-conf))
   (mml-secure-test-key-fixture
    (lambda ()