public function test_add_supports_custom()
{
$post_type = rand_str();
$post_type_object = new WP_Post_Type($post_type, array('supports' => array('editor', 'comments', 'revisions')));
$post_type_object->add_supports();
$post_type_supports = get_all_post_type_supports($post_type);
$post_type_object->remove_supports();
$post_type_supports_after = get_all_post_type_supports($post_type);
$this->assertEqualSets(array('editor' => true, 'comments' => true, 'revisions' => true), $post_type_supports);
$this->assertEqualSets(array(), $post_type_supports_after);
}
