baoshi-was/tests/Services/OrderService/GetOrderSyncAtTest.php

<?php

namespace Tests\Services\OrderService;

use App\Services\OrderService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Foundation\Testing\WithFaker;
use Tests\TestCase;

class GetOrderSyncAtTest extends TestCase
{
    /**
     * @var OrderService $service
     */
    private $service;

    public function setUp(): void
    {
        parent::setUp(); // TODO: Change the autogenerated stub
        $this->service = app('OrderService');
    }

    public function testGetOrderSyncAt()
    {
        $key = 'order_last_created_sync_at';
        $data = $this->service->getOrderSyncAt($key);
        $this->assertNotEmpty($data);
    }

}