tests: make test-hgweb.t output stable

Instability introduced in combination of a4d7fd7ad1f7 and e389a25e7e60.

tests/get-with-headers.py

@@ -1,55 +1,56
 #!/usr/bin/env python
 
 """This does HTTP GET requests given a host:port and path and returns
 a subset of the headers plus the body of the result."""
 
 import httplib, sys
 
 try:
     import msvcrt, os
     msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
     msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
 except ImportError:
     pass
 
 twice = False
 if '--twice' in sys.argv:
     sys.argv.remove('--twice')
     twice = True
 
 reasons = {'Not modified': 'Not Modified'} # python 2.4
 
 tag = None
 def request(host, path, show):
     assert not path.startswith('/'), path
     global tag
     headers = {}
     if tag:
         headers['If-None-Match'] = tag
 
     conn = httplib.HTTPConnection(host)
     conn.request("GET", '/' + path, None, headers)
     response = conn.getresponse()
     print response.status, reasons.get(response.reason, response.reason)
     if show[:1] == ['-']:
-        show = [h for h, v in response.getheaders() if h.lower() not in show]
+        show = sorted(h for h, v in response.getheaders()
+                      if h.lower() not in show)
     for h in [h.lower() for h in show]:
         if response.getheader(h, None) is not None:
             print "%s: %s" % (h, response.getheader(h))
 
     print
     data = response.read()
     sys.stdout.write(data)
 
     if twice and response.getheader('ETag', None):
         tag = response.getheader('ETag')
 
     return response.status
 
 status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
 if twice:
     status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
 
 if 200 <= status <= 305:
     sys.exit(0)
 sys.exit(1)