'Test that we don\'t attempt to re-create buckets that exist'

def test_bucket_exists(self):

    self.engine.create_bucket_calls = 1
    self.engine.configure()
    self.assertEqual(1, self.engine.create_bucket_calls)
    self.assertEqual(1, self.engine.get_bucket_calls)
    self.assertEqual(0, self.ui.asked_create)
