message: Extend LuxoUtils tests
diff: @@ -24,8 +24,21 @@ describe('Luxon utils', () => {
  it('Should return a Luxon DateTime instance', () => {
  const now = luxonUtil.date();
  const nowJs = luxonUtil.date(new Date());
  + const nowString = luxonUtil.date('2018-01-01');
  expect(now.constructor.name).toBe('DateTime');
  expect(nowJs.constructor.name).toBe('DateTime');
  + expect(nowString.constructor.name).toBe('DateTime');
  + expect(now.isValid).toBe(true);
  + expect(nowJs.isValid).toBe(true);
  + expect(nowString.isValid).toBe(true);
  + });
  +
  + it('Should return a DateTime instance of now', () => {
  + const invalid = luxonUtil.date(null);
  + const now = luxonUtil.date(invalid.toISO());
  +
  + expect(invalid.constructor.name).toBe('DateTime');
  + expect(invalid).toEqual(now);
  });
  it('Should add one day', () => {
  