oi creates new reference atoms objects for each format.
Formats can change this to a simpler type if they do not support it. Also: All test files are written to a subdirectory, so it is easy to clean up after the test if run alone.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Formats can change this to a simpler type if they do not support it. Also: All test files are written to a subdirectory, so it is easy to clean up after the test if run alone.