public function testQuarterly() { $months = implode(',', [Month::JANUARY, Month::APRIL, Month::JULY, Month::OCTOBER]); $this->assertInstanceOf($this->schedulerClass, $this->scheduler->quarterly()); $this->assertEquals($this->scheduler->getSchedule(), $months . ' ' . Scheduler::NONE . ' 1 ' . Scheduler::ANY . ' 0 0'); }