Tests: Place `remove_filter()` calls for `_wp_update_comment_data_filter()`...

Tests: Place `remove_filter()` calls for `_wp_update_comment_data_filter()` before the assertions, for consistency with other tests.

Follow-up to [48154], [48222].

See #39732.
Built from https://develop.svn.wordpress.org/trunk@48231


git-svn-id: https://core.svn.wordpress.org/trunk@48000 1a063a9b-81f0-0310-95a4-ce76da25c4cd