py3: add test-contrib-emacs.t to passing tests list
I installed emacs on the server running buildbot and the test started passing on
Python 3. Lets add it to the list of passing test.
Differential Revision: https://phab.mercurial-scm.org/D6500
--- a/contrib/python3-whitelist Fri Jun 07 20:19:55 2019 +0100
+++ b/contrib/python3-whitelist Sat Jun 08 19:20:31 2019 +0300
@@ -106,6 +106,7 @@
test-contrib-check-code.t
test-contrib-check-commit.t
test-contrib-dumprevlog.t
+test-contrib-emacs.t
test-contrib-perf.t
test-contrib-relnotes.t
test-contrib-testparseutil.t