test-extension: make the test compatible with chg

This test fails when run with chg. This commit just makes the test chg
aware by fixing the output of some of the tests.

Test Plan:
Ran the test 'test-extension.t' with and without '--chg' option.

Differential Revision: https://phab.mercurial-scm.org/D1160

tests/test-extension.t

@@ -42,11 +42,13 b' Test basic extension support'
   uisetup called
   reposetup called for a
   ui == repo.ui
+  reposetup called for a (chg !)
+  ui == repo.ui (chg !)
   Foo
 
   $ cd ..
   $ hg clone a b
-  uisetup called
+  uisetup called (no-chg !)
   reposetup called for a
   ui == repo.ui
   reposetup called for b
@@ -55,7 +57,7 b' Test basic extension support'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ hg bar
-  uisetup called
+  uisetup called (no-chg !)
   Bar
   $ echo 'foobar = !' >> $HGRCPATH
 
@@ -67,6 +69,8 b' module/__init__.py-style'
   uisetup called
   reposetup called for a
   ui == repo.ui
+  reposetup called for a (chg !)
+  ui == repo.ui (chg !)
   Foo
   $ echo 'barfoo = !' >> $HGRCPATH
 
@@ -1525,6 +1529,7 b' Commands handling multiple repositories '
   $ echo "reposetuptest = $TESTTMP/reposetuptest.py" >> src/.hg/hgrc
   $ hg -R src status
   reposetup() for $TESTTMP/reposetup-test/src (glob)
+  reposetup() for $TESTTMP/reposetup-test/src (glob) (chg !)
 
   $ hg clone -U src clone-dst1
   reposetup() for $TESTTMP/reposetup-test/src (glob)