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

    $menu_name = 'Foo';
    wp_update_nav_menu_object( 0, wp_slash( array( 'menu-name' => $menu_name ) ) );

    $menu_id    = -123;
    $setting_id = "nav_menu[$menu_id]";
    $setting    = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
    $this->wp_customize->set_post_value( $setting->id, array( 'name' => $menu_name ) );
    $setting->save();

    $expected_resolved_menu_name = "$menu_name (2)";
    $new_menu                    = wp_get_nav_menu_object( $setting->term_id );
    $this->assertSame( $expected_resolved_menu_name, $new_menu->name );

    $save_response = apply_filters( 'customize_save_response', array() );
    $this->assertSame( $expected_resolved_menu_name, $save_response['nav_menu_updates'][0]['saved_value']['name'] );
  }