build: only run infra recipe simulation tests on 64-bit Linux

scripts/slave/recipes/infra/infra_repo_trybot.py

 # 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.
 
 DEPS = [
   'depot_tools/bot_update',
   'depot_tools/gclient',
   'depot_tools/git',
   'recipe_engine/path',
   'recipe_engine/platform',
@@ skipping 31 matching lines @@
       stdout=api.raw_io.output())
   files = result.stdout.splitlines()
   result.presentation.logs['change list'] = files
 
   with api.step.defer_results():
     # Rietveld tests.
     deps_mod = 'DEPS' in files
 
     api.python('python tests', 'test.py', ['test'], cwd=api.path['checkout'])
 
-    api.python(
-        'recipe tests', api.path['checkout'].join('recipes', 'recipes.py'),
-        ['simulation_test', 'test'])
+    # TODO(phajdan.jr): should we make recipe tests run on other platforms?
+    if api.platform.is_linux and api.platform.bits == 64:
+      api.python(
+          'recipe tests', api.path['checkout'].join('recipes', 'recipes.py'),
+          ['simulation_test', 'test'])
+
     api.python(
         'recipe lint', api.path['checkout'].join('recipes', 'recipes.py'),
         ['lint'])
 
     # if any(f.startswith('infra/glyco/') for f in files):
     #   api.python(
     #     'glyco tests',
     #     api.path['checkout'].join('glyco', 'tests', 'run_all_tests.py'),
     #     [], cwd=api.path['checkout'])
 
@@ skipping 110 matching lines @@
   )
 
   yield (
     api.test('only_DEPS') +
     api.properties.tryserver(
         mastername='tryserver.chromium.linux',
         buildername='infra_tester',
         patch_project='infra') +
     diff('DEPS')
   )