Rename `test_propagate()` to `test_propagate_title()` for consistency and explicitness.
Rename `test_propagate()` to `test_propagate_title()` for consistency and explicitness.

ic-labs/django-icekit,ic-labs/django-icekit,ic-labs/icekit-events,ic-labs/icekit-events,ic-labs/django-icekit,ic-labs/django-icekit,ic-labs/icekit-events