Fix tests and linting

[Steve-Mcl]

Description

Adds no-only removes .only from test fixes tests in test/unit/lib/runtimeSettings_spec.js following addition of new URL

Related Issue(s)

257

Checklist

• [X] I have read the contribution guidelines
• [x] Suitable unit/system level tests have been added and they pass
• [ ] Documentation has been updated
  • [ ] Upgrade instructions
  • [ ] Configuration details
  • [ ] Concepts
• [ ] Changes flowforge.yml?
  • [ ] Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • [ ] Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production

Labels

• [ ] Includes a DB migration? -> add the area:migration label