Add --output option to Swarming client and pass it through 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 c76789dcf6aeb09965f74e7f47fc9d7acbddeed3..4efd445114bc22737f2bfee801f1259bdf45a115 100755
--- a/appengine/swarming/handlers_bot_test.py
+++ b/appengine/swarming/handlers_bot_test.py
@@ -293,6 +293,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'host': u'http://localhost:8080',
         u'isolated': None,
         u'io_timeout': 1200,
+        u'outputs': [u'foo', u'path/to/foobar'],
         u'service_account': u'none',
         u'task_id': task_id,
       },
@@ -358,6 +359,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
         u'host': u'http://localhost:8080',
         u'isolated': None,
         u'io_timeout': 1200,
+        u'outputs': [u'foo', u'path/to/foobar'],
         u'service_account': u'bot',
         u'task_id': task_id,
       },
@@ -447,6 +449,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
           u'namespace': u'default-gzip',
         },
         u'io_timeout': 1200,
+        u'outputs': [u'foo', u'path/to/foobar'],
         u'service_account': u'none',
         u'task_id': task_id,
       },
@@ -599,6 +602,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
           u'namespace': u'default-gzip',
         },
         u'io_timeout': 1200,
+        u'outputs': [u'foo', u'path/to/foobar'],
         u'service_account': u'none',
         u'task_id': task_id,
       },