py3: one more passing test
Differential Revision: https://phab.mercurial-scm.org/D4989
--- a/contrib/python3-whitelist Fri Oct 12 06:50:01 2018 -0400
+++ b/contrib/python3-whitelist Fri Oct 12 06:55:11 2018 -0400
@@ -399,6 +399,7 @@
test-pathencode.py
test-pending.t
test-permissions.t
+test-phases-exchange.t
test-phases.t
test-pull-branch.t
test-pull-http.t