Example fixture test case that persists objects to the database.

FixtureTestCaseUsage.php

<?php

class ExampleTest extends FixtureTestCase
{
    /**
     * @test
     */
    public function testSomething() : void
    {
        $payout = $this->fixture()->payout(function (PayoutContext $payout) {
            $payout->payoutId = PayoutId::fromString('03f74472-0e31-4d5c-8f61-bf34bda2dcb2');
        }); 
    }
}