* migrated a lot of unit tests to Swift Testing and added a new implementation for deferred fulfillment
more tests migration
Cleaned the code manually to establish some good patterns
more code improvements
some more code improvements
removed empty tests
update project
* more pr suggestions and cleanups
* removed the TestSetup pattern
* fixing claude not reusing tests
* pr suggestion + added indent rule to swiftformat so that we can prevent AIs to change that
