test: remove common.expectsError calls for asserts
An object can be passed as the second param to assert.throws. this change removes common.expectsError calls as it is no longer needed.
cc: @RafaelGSS
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
An object can be passed as the second param to assert.throws. this change removes common.expectsError calls as it is no longer needed.
cc: @RafaelGSS