Propagate name of system service account to the bot.

appengine/swarming/handlers_bot_test.py

Index: appengine/swarming/handlers_bot_test.py
diff --git a/appengine/swarming/handlers_bot_test.py b/appengine/swarming/handlers_bot_test.py
index 79907974996c83fcf70d854a7841a42e864bcf13..c059672a49160899166300ce04c54195b9408ab6 100755
--- a/appengine/swarming/handlers_bot_test.py
+++ b/appengine/swarming/handlers_bot_test.py
@@ -316,7 +316,10 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'secret_bytes': None,
         u'io_timeout': 1200,
         u'outputs': [u'foo', u'path/to/foobar'],
-        u'service_account': u'none',
+        u'service_accounts': {
+          u'system': {u'service_account': u'none'},
+          u'task': {u'service_account': u'none'},
+        },
         u'task_id': task_id,
       },
     }
@@ -385,7 +388,10 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'secret_bytes': None,
         u'io_timeout': 1200,
         u'outputs': [u'foo', u'path/to/foobar'],
-        u'service_account': u'bot',
+        u'service_accounts': {
+          u'system': {u'service_account': u'none'},
+          u'task': {u'service_account': u'bot'},
+        },
         u'task_id': task_id,
       },
     }
@@ -439,7 +445,10 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'io_timeout': 1200,
         u'outputs': [u'foo', u'path/to/foobar'],
         u'secret_bytes': None,
-        u'service_account': u'none',
+        u'service_accounts': {
+          u'system': {u'service_account': u'none'},
+          u'task': {u'service_account': u'none'},
+        },
         u'task_id': task_id,
       },
     }
@@ -534,7 +543,10 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'secret_bytes': None,
         u'io_timeout': 1200,
         u'outputs': [u'foo', u'path/to/foobar'],
-        u'service_account': u'none',
+        u'service_accounts': {
+          u'system': {u'service_account': u'none'},
+          u'task': {u'service_account': u'none'},
+        },
         u'task_id': task_id,
       },
     }
@@ -693,7 +705,10 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'secret_bytes': None,
         u'io_timeout': 1200,
         u'outputs': [u'foo', u'path/to/foobar'],
-        u'service_account': u'none',
+        u'service_accounts': {
+          u'system': {u'service_account': u'none'},
+          u'task': {u'service_account': u'none'},
+        },
         u'task_id': task_id,
       },
     }