py3: whitelist another passing test caught by buildbot
Differential Revision: https://phab.mercurial-scm.org/D5419
--- a/contrib/python3-whitelist Fri Dec 14 21:19:19 2018 +0900
+++ b/contrib/python3-whitelist Fri Dec 14 19:10:46 2018 +0300
@@ -566,6 +566,7 @@
test-setdiscovery.t
test-share.t
test-shelve.t
+test-shelve2.t
test-show-stack.t
test-show-work.t
test-show.t