Domain\Billet\BilletTest::test_cant_discharge_from_in_twice PHP Метод

    public function test_cant_discharge_from_in_twice()
    {
        $billet = factory(Billet::class)->create();
        $dischargeDate = $billet->dischargeFrom();
        $this->assertInstanceOf(Carbon::class, $billet->discharge_date);
        $this->assertFalse($billet->dischargeFrom($dischargeDate->copy()->addSecond(5)));
    }