In `Tests_Ajax_ReplytoComment::test_blocked_comment()`, don't stop blocking comments until test is complete.

The test uses the `_block_comments()` method to prevent comment inserts from
happening. Since [31263], failed comment inserts lead to the comment content's
being stripped of invalid characters and inserted again. By immediately
unhooking itself after first being run, `_block_comments()` was causing the
INSERT block to work only for the first attempt, while the second attempt was
going through, causing the test to fail. As a fix, we move the
`remove_filter()` call to the class's `tearDown()` method - sufficient for
cleanup, but late enough that *all* comment inserts will be blocked for the
test method in question.

See #21212.
Since [31263], comment INSERT queries that were pseudo-bl
Built from https://develop.svn.wordpress.org/trunk@31277


git-svn-id: http://core.svn.wordpress.org/trunk@31258 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31276';
+$wp_version = '4.2-alpha-31277';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.