fonteva-design-guide/force-app/main/default/lwc/pfmButtonGroup/__tests__/pfmButtonGroupTest.js

## Dev, Build and Test

import { createElement } from 'lwc';

import BUTTON_GROUP_TEST from 'c/pfmTest';

describe('c-pfm-button-group', () => {
    afterEach(() => {
        // The jsdom instance is shared across test cases in a single file so reset the DOM
        while (document.body.firstChild) {
            document.body.removeChild(document.body.firstChild);
        }
    });

    it('render button group', () => {
        const element = createElement('c-pfm-test', {
            is: BUTTON_GROUP_TEST
        });

        document.body.appendChild(element);

        // Verify button group

        const bGroup = element.shadowRoot.querySelectorAll('.pfm-test_button-group c-pfm-button-group c-pfm-button');
        expect(bGroup.length > 0).toBeTruthy();
        expect(bGroup[0].classList.contains('pfm-button_grouped')).toBeTruthy();
    });
});