Remove skipped tests for `WP_Export_Query`.

These tests have been added as a patch to the ticket where the new
functionality was originally proposed, #22435.

See #30284.
Built from https://develop.svn.wordpress.org/trunk@30518


git-svn-id: http://core.svn.wordpress.org/trunk@30507 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing test in the `hooks` group.

The removed test has been added as a patch to #21169.

Props MikeHansenMe.
See #30284.
Built from https://develop.svn.wordpress.org/trunk@30519


git-svn-id: http://core.svn.wordpress.org/trunk@30508 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing assertions from `is_serialized()` tests.

They have been moved to new test methods, which have been attached as a patch
to the ticket #9930.

See #30284.
Built from https://develop.svn.wordpress.org/trunk@30520


git-svn-id: http://core.svn.wordpress.org/trunk@30509 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing `is_textdomain_loaded()` test.

The removed test has been added as a patch to the original ticket, #21319.

Props MikeHansenMe.
See #30284.
Built from https://develop.svn.wordpress.org/trunk@30521


git-svn-id: http://core.svn.wordpress.org/trunk@30510 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing test related to `wp_unique_post_slug()`.

The test has been added as a patch to #18962.

See #30284.
Built from https://develop.svn.wordpress.org/trunk@30522


git-svn-id: http://core.svn.wordpress.org/trunk@30511 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing test related to `wp_list_pages()`.

The test has been added as a patch to #27326.

Props MikeHansenMe.
See #30284.
Built from https://develop.svn.wordpress.org/trunk@30523


git-svn-id: http://core.svn.wordpress.org/trunk@30512 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove failing test related to the 'offset' param of `WP_Query`.

This test has been added as a patch to #18897.

Props MikeHansenMe.
See #30284.
Built from https://develop.svn.wordpress.org/trunk@30524


git-svn-id: http://core.svn.wordpress.org/trunk@30513 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Repair the `seems_utf8()` tests that use Big5 encoding.

* Provide sample data that is actually encoded in Big5.
* Do some actual assertions against that data.

Props akumria.
Fixes #30455.
Built from https://develop.svn.wordpress.org/trunk@30525


git-svn-id: http://core.svn.wordpress.org/trunk@30514 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Stop checking Trac to skip tests against open tickets.

In general, skipped tests should live only in patches, which are committed at
the same time that the corresponding bug is fixed. In cases where it's
necessary to skip a test, use `markTestSkipped()` to declare this fact
explicitly.

We continue to check Trac when using `WP_UnitTestCase` to run non-core tests.

See #30284.
Built from https://develop.svn.wordpress.org/trunk@30526


git-svn-id: http://core.svn.wordpress.org/trunk@30515 1a063a9b-81f0-0310-95a4-ce76da25c4cd