Test the checkout success page of your Magento 2 store without completing the checkout process.
In your Magento 2 root directory run
composer require pmclain/magento2-successtest
bin/magento setup:upgrade
After installation, enable via the Magento admin panel under:
Stores->Configuration->Sales->Sales->Success Page Test->Enable Checkout Success Page Testing
You can now navigate to your success page with any increment id. Generate a new key in Success Test Secure Key and change the increment id to the one you want to test with, ex http://mage2.dev/checkout/onepage/success/key/ZW8Wi6krPYif/order/100000008
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