cleverua/clockwork — comment on commit 5f2cc880c14a11d59d4faae7dd870ef36a023f6c
File: test/clockwork_test.rb line 179
By tomykaira:

I don't like assert private variable, because it is abnormal use.

If `@@configuration` should be accessible, using getter would be better.
If not, this test should assert behavior (in this case, interval of execution).