it('should render a div with .boldrui-navbar__item, modifiers and custom classNames', () => {
    const component = shallow(<NavbarItem isActive className="custom" />);
    expect(component.is('div')).toBe(true);
    expect(component.hasClass('boldrui-navbar__item')).toBe(true);
    expect(component.hasClass('is-active')).toBe(true);