ENH: calculator: elk.py: better 'error' message when a required Elk file is missing.
This commit aims at improving the error message out of Elk when a file is not found. The message was not instructive. Now gives the missing file name.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This commit aims at improving the error message out of Elk when a file is not found. The message was not instructive. Now gives the missing file name.