Remove the Featured Content term filters when running Unit Tests. Set the return value of `wp_get_object_terms()` to a var before passing to `array_shift()` in `test_get_object_terms_types()`, which expects a var to be passed by reference.

See #25282.



git-svn-id: https://develop.svn.wordpress.org/trunk@26187 602fd350-edb4-49c9-b593-d223f7449a82
Invalidate the 'update_core' Update check transient when $wp_version changes. See #25831


git-svn-id: https://develop.svn.wordpress.org/trunk@26188 602fd350-edb4-49c9-b593-d223f7449a82
Don't call is_home() before the query is run in Featured Content's pre_get_posts hook callback.



git-svn-id: https://develop.svn.wordpress.org/trunk@26189 602fd350-edb4-49c9-b593-d223f7449a82