tests are failing

[tinpotnick]

1. interface
   register, auth then wait for stale and check flag:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:158:5)
   at process.processImmediate (node:internal/timers:471:21)

2. interface
   register, auth then wait for expires and check cleaned up:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:237:5)
   at process.processImmediate (node:internal/timers:471:21)

3. interface
   register, auth then send expire:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:310:5)
   at process.processImmediate (node:internal/timers:471:21)

4. interface
   register with minexpires:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:390:5)
   at process.processImmediate (node:internal/timers:471:21)

5. interface
   register with regping and all auth:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:472:5)
   at process.processImmediate (node:internal/timers:471:21)

6. interface
   register then options ping and check ping time is updated:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:564:5)
   at process.processImmediate (node:internal/timers:471:21)

7. interface
   fail register auth and check event:
   TypeError: cb is not a function
   at Context. (test/interface/index.spec.js:664:5)
   at process.processImmediate (node:internal/timers:471:21)

8. interface
   polycom fail reg - captured:
   TypeError: Cannot read properties of undefined (reading 'code')
   at Context. (test/interface/index.spec.js:802:28)
   at process.processImmediate (node:internal/timers:471:21)