[buddypress-trac] [BuddyPress Trac] #7620: Update shared fixture architecture for WP 4.4+

[buddypress-trac]

#7620: Update shared fixture architecture for WP 4.4+
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 Reporter:  boonebgorges      |      Owner:  netweb
     Type:  enhancement       |     Status:  new
 Priority:  normal            |  Milestone:  3.0
Component:  Build/Test Tools  |    Version:
 Severity:  normal            |   Keywords:
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 WordPress 4.4 saw some changes in the way shared fixtures are handled. The
 summary:

 a. The factory should be fetched using `self::factory()` rather than
 `$this->factory`. This allows better consistency in iterators across all
 tests.
 b. Shared fixtures should be created in `wpSetUpBeforeClass()` rather than
 `setUpBeforeClass()`, and should use the `$factory` object passed to the
 method. (This also helps to keep incrementors synced.)
 c. There's no longer a need to clean up core data (posts, users, etc) in
 `tearDownAfterClass()` - WP does it automatically, using
 `_delete_all_data()`. At the very least, we can take advantage of this. We
 might also consider implementing our own version of the same thing.

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/7620>
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