#2225 Use failure status rather than default of unhealthy

[thompson-tomo]

What this PR does / why we need it: Ensure that when a failure occurs it uses the configured failure status

Which issue(s) this PR fixes: closes #2225

Special notes for your reviewer: n/a

Does this PR introduce a user-facing change?: No

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• [x] Code compiles correctly
• [x] Created/updated tests
• [x] Unit tests passing
• [x] End-to-end tests passing