def testbed():
from google.appengine.ext.testbed import Testbed
# create an instance of testbed class
testbed = Testbed()
# activate the testbed, which prepares the services stub for use
testbed.activate()
testbed.setup_env(app_id='debug', overwrite=True)
# declare which stubs want to use
testbed.init_search_stub()
testbed.init_urlfetch_stub()
return testbed
