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

    $menu_name                      = 'Lorem Ipsum \\o/';
    $menu_id                        = wp_create_nav_menu( wp_slash( $menu_name ) );
    $setting_id                     = "nav_menu[$menu_id]";
    $setting                        = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
    $nav_menu_options               = $this->get_nav_menu_items_option();
    $nav_menu_options['auto_add'][] = $menu_id;
    update_option( 'nav_menu_options', $nav_menu_options );

    $menu = wp_get_nav_menu_object( $menu_id );
    $this->assertSame( $menu_name, $menu->name );

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

    $this->assertFalse( wp_get_nav_menu_object( $menu_id ) );

    $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->assertNull( $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( 'deleted', $update_result['status'] );

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