public function testSetClearDayOfYear()
{
$start = TimeHelper::getDayOfYear();
$this->assertNotEqual($start, 400);
//not more than 365 days in a year
TimeHelper::setDayOfYear(450);
$now = TimeHelper::getDayOfYear();
$this->assertEqual(450, $now);
TimeHelper::clearDayOfYear();
$now = TimeHelper::getDayOfYear();
$this->assertNotEqual(450, $now);
}
