wp-graphql-woocommerce/tests/wpunit/OrderMutationsTest.php

<?php

class OrderMutationsTest extends \Codeception\TestCase\WPTestCase
{

    public function setUp()
    {
        // before
        parent::setUp();

        // your set up methods here
    }

    public function tearDown()
    {
        // your tear down methods here

        // then
        parent::tearDown();
    }

    // tests
    public function testMe()
    {
    }

}