Tests to write for hyperbahn-client

[jcorbin]

• [ ] advertise with hyperbahn + error frame
• [ ] advertise with hyperbahn + error frame + no hardFail
• [ ] advertise with invalid serviceName
• [ ] advertise with invalid host port
• [ ] advertise with unexpected hyperbahn failure
• [ ] advertise with invalid serviceName + no hardFail
• [ ] advertise with invalid host port + no hardFail
• [ ] advertise with unexpected hyperbahn failure + no hardFail
• [ ] advertise in a loop
• [ ] calling advertise() after destroy
• [ ] calling getClientSubChannel() after destroy