doc: fix actual result of example is different in stream
Error message of JSON.parse may be changed with current node version. For reference, actual result is same with previous node version(v16.18.1).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Error message of JSON.parse may be changed with current node version. For reference, actual result is same with previous node version(v16.18.1).