test: fix possible output change from 4.7
Change in debug timing can display these extra messages.
--- a/tests/test-discovery-obshashrange.t Fri Jul 06 11:36:24 2018 -0700
+++ b/tests/test-discovery-obshashrange.t Mon Jul 09 01:18:40 2018 +0200
@@ -176,6 +176,8 @@
$ hg commit -m foo
$ hg debugobsolete ffffffffffffffffffffffffffffffffffffffff `getid '.'`
$ hg push -f --debug
+ could not import hgext.hgext3rd.evolve (No module named hgext3rd.evolve): trying hgext3rd.hgext3rd.evolve (?)
+ could not import hgext3rd.hgext3rd.evolve (No module named hgext3rd.evolve): trying hgext3rd.evolve (?)
pushing to ssh://user@dummy/server
running python "*/dummyssh" *user@dummy* *hg -R server serve --stdio* (glob)
sending hello command