tests: quiet strip to avoid commandserver pathsep issue

tests/test-commandserver.py

@@ -252,7 +252,7 b' def phasecacheafterstrip(server):'
     runcommand(server, ['phase', '.'])  # load _phasecache.phaseroots
 
     # strip 1::4 outside server
-    os.system('hg --config extensions.mq= strip 1')
+    os.system('hg -q --config extensions.mq= strip 1')
 
     # shouldn't raise "7966c8e3734d: no node!"
     runcommand(server, ['branches'])

tests/test-commandserver.py.out

@@ -187,6 +187,5 b' o 0:eff892de26ec'
  runcommand phase -p .
  runcommand phase .
 5: public
-saved backup bundle to $TESTTMP/.hg/strip-backup/d3a0a68be6de-backup.hg
  runcommand branches
 default                        1:731265503d86