swarming: Remove support for task without 'pool' dimension

appengine/swarming/server/task_request_test.py

 #!/usr/bin/env python
 # Copyright 2014 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import datetime
 import logging
 import random
 import sys
 import unittest
@@ skipping 534 matching lines @@
         dict(name='build_chromium', path='out'))
 
     # Dimensions.
     with self.assertRaises(TypeError):
       mkreq(_gen_request(properties=dict(dimensions=[])))
     with self.assertRaises(datastore_errors.BadValueError):
       mkreq(_gen_request(properties=dict(dimensions={})))
     with self.assertRaises(datastore_errors.BadValueError):
       mkreq(_gen_request(
           properties=dict(dimensions={u'id': u'b', u'a:': u'b'})))
+    with self.assertRaises(datastore_errors.BadValueError):
+      mkreq(_gen_request(
+          properties=dict(dimensions={u'id': u'b', u'a.': u'b'})))
     mkreq(_gen_request(
-        properties=dict(dimensions={u'id': u'b', u'a.': u'b'})))
+        properties=dict(dimensions={u'id': u'b', u'pool': u'b'})))
 
     # Environment.
     with self.assertRaises(TypeError):
       mkreq(_gen_request(properties=dict(env=[])))
     with self.assertRaises(TypeError):
       mkreq(_gen_request(properties=dict(env={u'a': 1})))
     mkreq(_gen_request(properties=dict(env={})))
 
     # Priority.
     with self.assertRaises(datastore_errors.BadValueError):
@@ skipping 175 matching lines @@
     with self.assertRaises(datastore_errors.BadValueError):
       task_request.SecretBytes(secret_bytes='a'*(20*1024+1)).put()
 
 
 if __name__ == '__main__':
   if '-v' in sys.argv:
     unittest.TestCase.maxDiff = None
   logging.basicConfig(
       level=logging.DEBUG if '-v' in sys.argv else logging.ERROR)
   unittest.main()