Domain\Schedule\ScheduleTest::test_create_schedule_with_classroom PHP Method

    public function test_create_schedule_with_classroom()
    {
        $schedule = factory(Schedule::class)->create();
        $classroom = factory(Classroom::class)->create(['schedule_id' => $schedule->id]);
        $this->assertInstanceOf(Schedule::class, $schedule);
        $this->assertInstanceOf(Classroom::class, $schedule->classrooms->first());
    }