public function validateReturnsErrorForAGivenDateMustBeingBeforeACalculatedDateRangeViaSubstracting()
{
$this->validatorOptions(['latestDate' => 'P2M10DT2H30M/2011-03-01T13:00:00Z']);
$this->assertTrue($this->validator->validate(new \DateTime('2011-02-01T13:00:00Z'))->hasErrors());
}