These were previously combined in the `includesListTable.php` file. Since the tests were specific neither to the `_get_list_table()` function nor the parent `WP_List_Table` class, the naming was confusing, which should now be resolved.
Follow-up to [31730], [38854], [40297], [48151], [48521], [49190], [51993].
See #53363.
git-svn-id: https://develop.svn.wordpress.org/trunk@51997 602fd350-edb4-49c9-b593-d223f7449a82
