recipe_roll_tryjob: Hide simulation test output.

scripts/slave/recipes/infra/recipe_roll_tryjob.py

 # Copyright (c) 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.
 
 """Rolls recipes.cfg dependencies."""
 
 DEPS = [
   'depot_tools/bot_update',
   'depot_tools/gclient',
   'file',
@@ skipping 218 matching lines @@
   """
   recipes_path = get_recipes_path(proj_config) + ['recipes.py']
   recipes_py_loc = repo_path.join(*recipes_path)
   args = []
   for dep_name, location in deps.items():
     args += ['-O', '%s=%s' % (dep_name, location)]
   args += ['--package', repo_path.join('infra', 'config', 'recipes.cfg')]
 
   args += ['simulation_test']
 
-  return api.python('%s tests' % proj, recipes_py_loc, args)
+  return api.python(
+      '%s tests' % proj, recipes_py_loc, args, stdout=api.raw_io.output())
 
 
 def checkout_projects(api, all_projects, url_mapping,
                       downstream_projects, root_dir, patches):
   """Checks out projects listed in all_projects into root_dir, applying patches
 
   Args:
     all_projects: All the projects we care about.
     url_mapping: Project id to url of git repository.
     downstream_projects: The mapping from project to projecst that depend on it.
@@ skipping 185 matching lines @@
       api.properties(
         rietveld="https://fake.code.review",
         issue=12345678,
         patchset=1,
         patch_project="build",
       ) +
       api.step_data("Get build deps", project('build', ['recipe_engine'])) +
       api.step_data("Get recipe_engine deps", project('recipe_engine'))
   )