public function testGetSortedWorktimes()
{
$worktime1 = (new WorkTime())->setStart(new \DateTime('2014-10-01'))->setEnd(new \DateTime('2014-10-01'));
$worktime2 = (new WorkTime())->setStart(new \DateTime('2013-10-01'))->setEnd(new \DateTime('2013-10-01'));
$worktime3 = (new WorkTime())->setStart(new \DateTime('2015-10-01'))->setEnd(new \DateTime('2015-10-01'));
$e = new Employee();
$e->addWorktime($worktime1)->addWorktime($worktime2)->addWorktime($worktime3);
$result = $e->getSortedWorktimes();
assertThat($result[0]->getStart()->format('Y'), is('2015'));
assertThat($result[1]->getStart()->format('Y'), is('2014'));
assertThat($result[2]->getStart()->format('Y'), is('2013'));
}
