Mock Guzzle Requests in Functional Tests
Functional tests won't mock single implementations. But code often interacts with external systems by sending requests, e.g. via Guzzle.
This blog post explains our solution which is based on Guzzle Docs and Susis Blog post on how to mock Guzzle Client implementation within Unit Tests.
https://daniel-siepmann.de/mock-guzzle-requests-in-functional-tests.html