Move master_port_alts from 40000 to 25000 so they don't overlap with ephemeral ports

scripts/tools/unittests/mastermap_test.py

 #!/usr/bin/env python
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Tests for scripts/tools/mastermap.py"""
 
 
 import json
 import unittest
@@ skipping 87 matching lines @@
     self.assertEquals(output.data[0]['master_base_class'], 'Master1')
 
   def test_skip_used_ports(self):
     masters = self._gen_masters(5)
     master_class_name = 'Master1'
     output = FakeOutput()
     mastermap.find_port(master_class_name, masters, output, FakeOpts())
     self.assertEquals(output.data, [ {
         u'master_base_class': u'Master1',
         u'master_port': u'20105',
-        u'master_port_alt': u'40105',
+        u'master_port_alt': u'25105',
         u'slave_port': u'30105',
     } ])
 
   def test_skip_blacklisted_ports(self):
     masters = [{'name': 'Master1', 'fullhost': 'master1.golo.chromium.org'}]
     master_class_name = 'Master1'
     output = FakeOutput()
     _real_blacklist = mastermap.PORT_BLACKLIST
     try:
-      mastermap.PORT_BLACKLIST = set(xrange(40000, 50000))  # All alt_ports
+      mastermap.PORT_BLACKLIST = set(xrange(25000, 30000))  # All alt_ports
       self.assertRaises(RuntimeError, mastermap.find_port,
                         master_class_name, masters, output, FakeOpts())
     finally:
       mastermap.PORT_BLACKLIST = _real_blacklist
 
 
 class AuditTest(unittest.TestCase):
   # TODO(agable): Actually test this.
   pass
 
 
 if __name__ == '__main__':
   unittest.TestCase.maxDiff = None
   unittest.main()