Refactor expectations of properties recipe_module.

recipe_modules/properties/example.py

 # Copyright 2014 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 from recipe_engine.recipe_api import Property
 
 DEPS = [
   'properties',
   'step',
 ]
 
 PROPERTIES = {
   'test_prop': Property(),
   'foo.bar-bam': Property(param_name='param_name_test'),
 }
 
 def RunSteps(api, test_prop, param_name_test):
   api.step('echo', ['echo'] + [repr(test_prop), repr(param_name_test)])
 
   properties = api.properties.thaw()
-  api.step('echo all', ['echo'] +
-      [repr(list(sorted(api.properties.thaw().iteritems())))])
+  api.step('echo all', ['echo'] + map(repr, sorted(properties.iteritems())))
 
   # It should behave like a real dictionary.
   assert len(properties) == len(api.properties)
   for k in api.properties:
     assert k in properties
     # We would assert that v is there too, but sometimes it's frozen...
 
 
 def GenTests(api):
   pd = {'foo.bar-bam': 'thing'}
@@ skipping 17 matching lines @@
          api.properties.scheduled(test_prop=None, **pd))
   yield (api.test('buildbot_git_scheduled') +
          api.properties.git_scheduled(test_prop=None, **pd))
   yield (api.test('buildbot_tryserver') +
          api.properties.tryserver(test_prop=None, **pd))
   yield (api.test('buildbot_tryserver_gerrit') +
          api.properties.tryserver_gerrit(
             full_project_name='infra/infra',
             gerrit_host='pdfium-review.googlesource.com', test_prop=None,
             **pd))