public function testWeekOfYear()
 {
     $array = [2, 4];
     $this->assertInstanceOf($this->schedulerClass, $this->scheduler->weekOfYear($array));
     $this->assertEquals($this->scheduler->getSchedule(), Scheduler::NONE . ' ' . implode(',', $array) . ' ' . Scheduler::ANY . ' 0 0 0');
 }