', () => {     expect(getWeekdayNames({ locale: 'en-GB', firstDayOfWeek: 0 })).to.deep.equal(       s`Sunday Monday Tuesday Wednesday Thursday Friday Saturday`,     );     expect(getWeekdayNames({ locale: 'en-GB', firstDayOfWeek: 0 })).to.deep.equal(       s`Monday Tuesday Wednesday Thursday Friday Saturday Sunday`,     );     expect(getWeekdayNames({ locale: 'en-GB', firstDayOfWeek: 0 })).to.deep.equal(       s`T