Domain\Billet\BilletTest::test_dischargeFrom PHP Метод

    public function test_dischargeFrom()
    {
        $billet = factory(Billet::class)->create();
        $billet->dischargeFrom();
        $this->assertInstanceOf(Carbon::class, $billet->discharge_date);
        $this->seeInDatabase('billets', ['discharge_date' => $billet->discharge_date->toDateString()]);
    }