import chai from 'chai'; const { expect } = chai; import getOppositeVariation from '../../src/utils/getOppositeVariation'; describe('utils/getOppositeVariation', () => { it('should return correct values', () => { expect(getOppositeVariation('start')).to.equal('end'); expect(getOppositeVariation('end')).to.equal('start'); expect(getOppositeVariation('invalid')).to.equal('invalid'); }); });