public function testGetTimePast()
{
$time = new \DateTime();
$interval = new \DateInterval('P3Y1M2D');
$interval->invert = 1;
$time->add($interval);
$this->assertEquals($time->getTimestamp(), FieldDef::past()->days(2)->months(1)->years(3)->get());
$this->assertEquals($time, FieldDef::past()->days(2)->months(1)->years(3)->get(DateIntervalHelper::DATE_TIME));
$this->assertEquals($time->format('d-m-y'), FieldDef::past()->days(2)->months(1)->years(3)->get(DateIntervalHelper::STRING));
}