public function testSetOrderChannel()
    {
        // Mock tbOrderBackendChannel and SimpleXMLElement
        $orderChannelMock = $this->createMock(tbOrderBackendChannel::class);
        $xmlMock = $this->createMock(SimpleXMLElement::class);

        // Set expectations and assertions for the mocked objects
        $xmlMock->expects($this->once())
            ->method('__get')
            ->with($this->equalTo('IsPrime'))
            ->willReturn('true');

        // Create an instance of tbAmazonSpOrdersService
        $configMock = $this->createMock(tbChannelConfig::class);
        $service = new tbAmazonSpOrdersService($configMock);

        // Call the method to be tested
        $service->setOrderChannel($orderChannelMock, $xmlMock);

        // Assert that the values are correctly set in the order channel
        $this->assertEquals('true', $orderChannelMock->getValueByKey('IsPrime'));
    }