Converts a string to Date, then delegates to another assertion.

The purpose is to make the assertions defined for Date instances easily accessible when you need to make assertions about a string as date.

expect(
  '2010-11-10T00:00:00.000Z',
  'with date semantics',
  'to satisfy',
  new Date(Date.UTC(2010, 10, 10, 0, 0, 0))
);

expect(
  '2010-11-10T10:00:00.000Z',
  'with date semantics',
  'to be after',
  new Date(Date.UTC(2010, 10, 10, 0, 0, 0))
);