TEST - Update Task Status integration tests

[JoeBatt1989]

The followng issues have been found:

Test: Publish an invalid Task Update event which does not update the task status

• Missing Status sets TaskStatus to Unknown

Test: Publish an valid Task Update event with a status that is invalid for current status
- Status is set back to Accepted from Succeeded
- Status is set back to Accepted from Failed
- Status is set back to Accepted from Canceled These have been completed

[RemakingEden]

Missing Status sets TaskStatus to Unknown

Discussed with @JoeBatt1989 & @jackschofield23 and the above test is no longer as the unknown status will be removed. I will remove the test in this ticket.