Send authorization headers when calling Swarming backend.

appengine/swarming/swarming_bot/api/bot_test.py

Index: appengine/swarming/swarming_bot/api/bot_test.py
diff --git a/appengine/swarming/swarming_bot/api/bot_test.py b/appengine/swarming/swarming_bot/api/bot_test.py
index 93fab4122f1ffe145ce5b7706ec01f2a559b1309..c1ab0bd55c42afdfb1f348518a6082ad3a39700d 100755
--- a/appengine/swarming/swarming_bot/api/bot_test.py
+++ b/appengine/swarming/swarming_bot/api/bot_test.py
@@ -19,6 +19,7 @@ import bot
 class TestBot(unittest.TestCase):
   def test_bot(self):
     obj = bot.Bot(
+        None,
         {'dimensions': {'foo': 'bar'}},
         'https://localhost:1',
         '1234-1a2b3c4-tainted-joe',
@@ -32,14 +33,14 @@ class TestBot(unittest.TestCase):
     self.assertEqual('base_dir', obj.base_dir)
 
   def test_bot_call_later(self):
-    obj = bot.Bot({}, 'https://localhost:1', '1234-1a2b3c4-tainted-joe',
+    obj = bot.Bot(None, {}, 'https://localhost:1', '1234-1a2b3c4-tainted-joe',
                   'base_dir', None)
     ev = threading.Event()
     obj.call_later(0.001, ev.set)
     self.assertTrue(ev.wait(1))
 
   def test_bot_call_later_cancel(self):
-    obj = bot.Bot({}, 'https://localhost:1', '1234-1a2b3c4-tainted-joe',
+    obj = bot.Bot(None, {}, 'https://localhost:1', '1234-1a2b3c4-tainted-joe',
                   'base_dir', None)
     ev = threading.Event()
     obj.call_later(0.1, ev.set)