swarming: add transaction_id to tasks.new request

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 aa61a8981114ece741526a209e46900c1aa5e04e..83ba6b0a6cc52f66cee3563a1a0d3bb88b6d4d5a 100755
--- a/appengine/swarming/handlers_bot_test.py
+++ b/appengine/swarming/handlers_bot_test.py
@@ -272,7 +272,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
     # A bot polls, gets a task, updates it, completes it.
     params = self.do_handshake()
     # Enqueue a task.
-    _, task_id = self.client_create_task_raw()
+    _, _, task_id = self.client_create_task_raw()
     self.assertEqual('0', task_id[-1])
     # Convert TaskResultSummary reference to TaskRunResult.
     task_id = task_id[:-1] + '1'
@@ -341,7 +341,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
   def test_poll_task_with_bot_service_account(self):
     params = self.do_handshake()
 
-    _, task_id = self.client_create_task_raw(service_account_token='bot')
+    _, _, task_id = self.client_create_task_raw(service_account_token='bot')
     self.assertEqual('0', task_id[-1])
     task_id = task_id[:-1] + '1'
 
@@ -387,7 +387,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
   def test_poll_task_with_caches(self):
     params = self.do_handshake()
 
-    _, task_id = self.client_create_task_raw({
+    _, _, task_id = self.client_create_task_raw({
       'caches': [{
         'name': 'git_infra',
         'path': 'git_cache',
@@ -502,7 +502,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
     # A bot polls, gets a task, updates it, completes it.
     params = self.do_handshake()
     # Enqueue a task.
-    _, task_id = self.client_create_task_isolated()
+    _, _, task_id = self.client_create_task_isolated()
     self.assertEqual('0', task_id[-1])
     # Convert TaskResultSummary reference to TaskRunResult.
     task_id = task_id[:-1] + '1'
@@ -638,7 +638,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
 
   def test_poll_not_enough_time(self):
     # Make sure there's a task that we don't get.
-    _, task_id = self.client_create_task_raw()
+    _, _, task_id = self.client_create_task_raw()
     self.assertEqual('0', task_id[-1])
     params = self.do_handshake()
     bot_info = bot_management.get_info_key('bot1').get()
@@ -657,7 +657,7 @@ class BotApiTest(test_env_handlers.AppTestBase):
     self.mock(random, 'getrandbits', lambda _: 0x88)
     now = datetime.datetime(2010, 1, 2, 3, 4, 5)
     self.mock_now(now)
-    _, task_id = self.client_create_task_isolated()
+    _, _, task_id = self.client_create_task_isolated()
     self.assertEqual('0', task_id[-1])
     params = self.do_handshake()
     bot_info = bot_management.get_info_key('bot1').get()