[swarming/api] Add text in to indicate whether a shard is failing (RELAND)

scripts/slave/recipe_modules/test_utils/test_api.py

 import json
 
 from recipe_engine import recipe_test_api
 
 from .util import GTestResults, TestResults
 
 class TestUtilsTestApi(recipe_test_api.RecipeTestApi):
   @recipe_test_api.placeholder_step_data
   def test_results(self, test_results, retcode=None):
     return self.m.json.output(test_results.as_jsonish(), retcode)
@@ skipping 130 matching lines @@
       chartjsonish_results['charts'] = {'entry%d' % idx: 'chart%d' % idx,
         'entry%d' % (idx + 1): 'chart%d' % (idx + 1)}
       per_shard_results.append(jsonish_results)
       per_shard_chartjson_results.append(chartjsonish_results)
     if swarming:
       jsonish_shards = []
       files_dict = {}
       for i in xrange(shards):
         jsonish_shards.append({
           'failure': not passing,
-          'internal_failure': swarming_internal_failure
+          'internal_failure': swarming_internal_failure,
+          'exit_code': '1' if not passing or swarming_internal_failure else '0'
         })
         swarming_path = str(i)
         swarming_path += '\\output.json' if is_win else '/output.json'
 
         chartjson_swarming_path = str(i)
         chartjson_swarming_path += \
           '\\chartjson-output.json' \
             if is_win else '/chartjson-output.json'
 
         # Determine what output we are writing and if it is empty or not
         output_missing = i in missing_shards and not output_chartjson
         chartjson_output_missing = i in missing_shards and output_chartjson
         output_empty = i in empty_shards and not output_chartjson
         chartjson_output_empty = i in empty_shards and output_chartjson
 
         if not output_missing:
           files_dict[swarming_path] = \
             '' if output_empty else json.dumps(per_shard_results[i])
         if not chartjson_output_missing and output_chartjson:
           files_dict[chartjson_swarming_path] = \
             '' if chartjson_output_empty \
               else json.dumps(per_shard_chartjson_results[i])
 
       jsonish_summary = {'shards': jsonish_shards}
       files_dict['summary.json'] = json.dumps(jsonish_summary)
       return self.m.raw_io.output_dir(files_dict)
     else:
       return self.m.json.output(per_shard_results[0])