Mock out the static_replace modules in the proper location.

This includes several general enhancement in addition
to the fixes for unified_course_view:
1. Add support for default when no waffle flag defined.
2. Add support for table_blacklist to assertNumQueries.
3. Rename flag to 'course_experience.course_outline_page'.
4. Change flag default to True when it is not defined.

The new design for the program detail page introduced a sidebar which includes a program-specific listing of credentials. This is an improvement over the old list of credentials found on the program list page and is meant to replace it. The new detail page is stable, so the credential listing on the program list page can be removed.

LEARNER-492

* Centralize creation of quick request objects.
* Isolate caches to individual tests to prevent test ordering
  dependencies.

TNL-5811

By default, disable all caching in tests, to preserve test independence.
In order to enable caching, inherit from CacheSetupMixin, and specify
which cache configuration is needed.

[EV-32]