message: update required test with invalidate false param
diff: @@ -24,3 +24,8 @@ test('validates required', () => {
  invalid.forEach(value => expect(validate(value)).toBe(false));
  });
  +
  +test('false value can be invalidated', () => {
  + expect(validate(false)).toBe(true);
  + expect(validate(false, [true])).toBe(false);
  +});
  