Move spies and stubs helpers from munit to sinon
Remove unused files
Remove unused files
Upgrade sinon to v1.10.3
Upgrade sinonChai to v2.6.0
Install sinonchai into chai
stubs and spies helpers improvements
Upgrade to latest version of sinon and sinonChai and improve spies and stubs helpers
Remove unused file
Update readme and changelog
Add tests to verify that restore doesn't throw if spy/stub was restored directly before
Update restore desc in readme
Update readme