public function test_save_updated() {
    do_action( 'customize_register', $this->wp_customize );

    $menu_id                        = wp_update_nav_menu_object(
      0,
      wp_slash(
        array(
          'menu-name'   => 'Name 1 \\o/',
          'description' => 'Description 1 \\o/',
          'parent'      => 0,
        )
      )
    );
    $nav_menu_options               = $this->get_nav_menu_items_option();
    $nav_menu_options['auto_add'][] = $menu_id;
    update_option( 'nav_menu_options', $nav_menu_options );

    $setting_id = "nav_menu[$menu_id]";
    $setting    = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );

    $auto_add  = false;
    $new_value = array(
      'name'        => 'Name 2 \\o/',
      'description' => 'Description 2 \\o/',
      'parent'      => 1,
      'auto_add'    => $auto_add,
    );

    $this->wp_customize->set_post_value( $setting_id, $new_value );
    $setting->save();

    $menu_object = wp_get_nav_menu_object( $menu_id );
    foreach ( array( 'name', 'description', 'parent' ) as $key ) {
      $this->assertSame( $new_value[ $key ], $menu_object->$key );
    }
    $this->assertSameSets(
      wp_array_slice_assoc( $new_value, array( 'name', 'description', 'parent' ) ),
      wp_array_slice_assoc( (array) $menu_object, array( 'name', 'description', 'parent' ) )
    );
    $this->assertSame( $new_value, $setting->value() );

    $save_response = apply_filters( 'customize_save_response', array() );
    $this->assertArrayHasKey( 'nav_menu_updates', $save_response );
    $update_result = array_shift( $save_response['nav_menu_updates'] );
    $this->assertArrayHasKey( 'term_id', $update_result );
    $this->assertArrayHasKey( 'previous_term_id', $update_result );
    $this->assertArrayHasKey( 'error', $update_result );
    $this->assertArrayHasKey( 'status', $update_result );
    $this->assertArrayHasKey( 'saved_value', $update_result );
    $this->assertSame( $new_value, $update_result['saved_value'] );

    $this->assertSame( $menu_id, $update_result['term_id'] );
    $this->assertNull( $update_result['previous_term_id'] );
    $this->assertNull( $update_result['error'] );
    $this->assertSame( 'updated', $update_result['status'] );

    $nav_menu_options = $this->get_nav_menu_items_option();
    $this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
  }