test: migrate message tests to use assertSnapshot
this does not migrate all tests yet, but does migrate a big portion of them I tried doing my best to reduce the git diff even in places where it is not essential for the test to succeed
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
this does not migrate all tests yet, but does migrate a big portion of them I tried doing my best to reduce the git diff even in places where it is not essential for the test to succeed