* rlm_radius/test_plan: Disconnect-Message must not contain 'Service-Type'
* Change Service-Type for CoA-Request to Authorize-Only
Co-authored-by: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
```
User-Name = "testuser"
Acct-Session-ID = "0123456789"
-Service-Type = Framed-User
+Service-Type = Authorize-Only
NAS-IP-Address = 127.0.0.1
NAS-Port-ID = 0
Message-Authenticator = 0x
```
User-Name = "testuser"
Acct-Session-ID = "0123456789"
-Service-Type = Framed-User
NAS-IP-Address = 127.0.0.1
NAS-Port-ID = 0
Message-Authenticator = 0x