Avoid nesting steps called under waiting for x:

scripts/slave/recipe_modules/auto_bisect/example.py

Index: scripts/slave/recipe_modules/auto_bisect/example.py
diff --git a/scripts/slave/recipe_modules/auto_bisect/example.py b/scripts/slave/recipe_modules/auto_bisect/example.py
index e96b9a0ac21f25f5f2bf75b161dfbbfdc1ecc5f3..a7974c1c78d1801b6fa4f46aea2f189da8266c0e 100644
--- a/scripts/slave/recipe_modules/auto_bisect/example.py
+++ b/scripts/slave/recipe_modules/auto_bisect/example.py
@@ -23,7 +23,8 @@ For more information about recipes, see: https://goo.gl/xKnjz6
 def RunSteps(api):
   fake_checkout_path = api.path.mkdtemp('fake_checkout')
   api.path['checkout'] = fake_checkout_path
-  bisector = api.auto_bisect.create_bisector(api.properties['bisect_config'])
+  bisector = api.auto_bisect.create_bisector(api.properties['bisect_config'],
+                                             do_not_nest_wait_for_revision=True)
 
   # Request builds and tests for initial range and wait.
   bisector.good_rev.start_job()
@@ -87,13 +88,13 @@ def GenTests(api):
       api, _get_ref_range_only_test_data(), 'failed_build_test',
       extra_config={'dummy_builds': None})
   failed_build_test += api.step_data('gsutil ls', retcode=1)
+  failed_build_test += api.step_data('gsutil ls (2)' , retcode=1)
+  failed_build_test += api.step_data('gsutil ls (3)' , retcode=1)
   failed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.gsutil ls' , retcode=1)
-  failed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch builder state',
+      'fetch builder state',
       api.raw_io.output(json.dumps({'cachedBuilds': ['2106']})))
   failed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch build details',
+      'fetch build details',
       api.raw_io.output(json.dumps({
           'results': 2,
           'properties': [('build_archive_url',
@@ -107,27 +108,26 @@ def GenTests(api):
       api, _get_ref_range_only_test_data(), 'delayed_build_test',
       extra_config={'dummy_builds': None})
   delayed_build_test += api.step_data('gsutil ls', retcode=1)
+  delayed_build_test += api.step_data('gsutil ls (2)', retcode=1)
+  delayed_build_test += api.step_data('gsutil ls (3)', retcode=1)
+  delayed_build_test += api.step_data('gsutil ls (4)', retcode=1)
+  delayed_build_test += api.step_data('gsutil ls (5)', retcode=1)
+  delayed_build_test += api.step_data('gsutil ls (6)', retcode=1)
   delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.gsutil ls', retcode=1)
-  delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.gsutil ls (2)', retcode=1)
-  delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.gsutil ls (3)', retcode=1)
-  delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch builder state',
+      'fetch builder state',
       api.raw_io.output(json.dumps({'cachedBuilds': []})))
   delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch builder state (2)',
+      'fetch builder state (2)',
       api.raw_io.output(json.dumps({'cachedBuilds': ['2106']})))
   delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch build details',
+      'fetch build details',
       api.raw_io.output(json.dumps({
           'properties': [('build_archive_url',
                           ('gs://chrome-perf/Linux Builder/full-build-linux_'
                            'a6298e4afedbf2cd461755ea6f45b0ad64222222.zip'))]
       })))
   delayed_build_test += api.step_data(
-      'Waiting for chromium@a6298e4afe.fetch build details (2)',
+      'fetch build details (2)',
       api.raw_io.output(json.dumps({
           'results': 2,
           'properties': [('build_archive_url',
@@ -430,9 +430,7 @@ def _get_step_data_for_revision(api, revision_data, include_build_steps=True):
 
   if include_build_steps:
     if test_results:
-      step_name = ('Waiting for chromium@%s.gsutil '
-                   'Get test results for build %s') % (commit_hash[:10],
-                                                       commit_hash)
+      step_name = ('gsutil Get test results for build %s') % commit_hash
       yield api.step_data(step_name, stdout=api.json.output(test_results))
 
     if revision_data.get('DEPS', False):