import {render, screen} from 'sentry-test/reactTestingLibrary'; import Button from 'sentry/components/button'; import ButtonBar from 'sentry/components/buttonBar'; describe('ButtonBar', function () { const createWrapper = () => render( ); it('has "Second Button" as the active button in the bar', function () { createWrapper(); expect(screen.getByLabelText('First Button')).not.toHaveClass('active'); expect(screen.getByLabelText('Second Button')).toHaveClass('active'); }); });