>> ./manage.py test ajax_forms
Creating test database for alias 'default'...

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
Destroying test database for alias 'default'...

>> ./manage.py test ajax_forms.tests
....
raise ValueError("Test label '%s' does not refer to a test" % label)
ValueError: Test label 'ajax_forms.tests' does not refer to a test
(ajax-validation)

In [2]: from ajax_forms.tests.tests import AjaxFormViewTest