/**
  * Suspend kses which runs on content_save_pre and can corrupt JSON in post_content.
  *
  * @see Post_Type::suspend_kses()
  * @see Post_Type::restore_kses()
  */
 function test_suspend_restore_kses()
 {
     if (!has_filter('content_save_pre', 'wp_filter_post_kses')) {
         kses_init_filters();
     }
     $post_type = new Post_Type($this->plugin->customize_snapshot_manager);
     $post_type->suspend_kses();
     $this->assertFalse(has_filter('content_save_pre', 'wp_filter_post_kses'));
     $post_type->restore_kses();
     $this->assertEquals(10, has_filter('content_save_pre', 'wp_filter_post_kses'));
     remove_filter('content_save_pre', 'wp_filter_post_kses');
     $post_type->suspend_kses();
     $post_type->restore_kses();
     $this->assertFalse(has_filter('content_save_pre', 'wp_filter_post_kses'));
 }