Tempest Rhel7: Add extra route to router

[Nagendra Prasath]

Seen in R2.20 Rhel7/Rhosp6 builds.

Openstack seems to support adding an extra route to the router via "neutron router-update" command however when tried
results in below error. Please see the request body in below log

2015-10-22 19:42:48.378 DEBUG [keystonemiddleware.auth_token] Removing headers from request environment: X-Service-Catalog,X-Identity-Status,X-Roles,X-Service-Roles,X-Domain-Name,X-Service-Domain-Name,X-Project-Id,X-Service-Project-Id,X-Project-Domain-Name,X-Service-Project-Domain-Name,X-User-Id,X-Service-User-Id,X-User-Name,X-Service-User-Name,X-Project-Name,X-Service-Project-Name,X-User-Domain-Id,X-Service-User-Domain-Id,X-Domain-Id,X-Service-Domain-Id,X-User-Domain-Name,X-Service-User-Domain-Name,X-Project-Domain-Id,X-Service-Project-Domain-Id,X-Role,X-User,X-Tenant-Name,X-Tenant-Id,X-Tenant
2015-10-22 19:42:48.378 DEBUG [keystonemiddleware.auth_token] Authenticating user token
2015-10-22 19:42:48.379 DEBUG [keystonemiddleware.auth_token] Returning cached token
2015-10-22 19:42:48.379 DEBUG [keystonemiddleware.auth_token] Authenticating service token
2015-10-22 19:42:48.379 DEBUG [keystonemiddleware.auth_token] Received request from user: user_id None, project_id None, roles None service: user_id None, project_id None, roles None
2015-10-22 19:42:48.380 DEBUG [routes.middleware] Matched PUT /routers/c262014e-8975-4e82-b08c-08085d9891ce
2015-10-22 19:42:48.380 DEBUG [routes.middleware] Route path: '/routers/:(id)', defaults: {'action': u'update', 'controller': <wsgify at 84389136 wrapping <function resource at 0x50795f0>>}
2015-10-22 19:42:48.380 DEBUG [routes.middleware] Match dict: {'action': u'update', 'controller': <wsgify at 84389136 wrapping <function resource at 0x50795f0>>, 'id': u'c262014e-8975-4e82-b08c-08085d9891ce'}
2015-10-22 19:42:48.389 DEBUG [neutron.api.v2.base] Request body: {u'router': {u'routes': [{u'destination': u'10.100.0.0/28', u'nexthop': u'10.100.0.2'}]}}
2015-10-22 19:42:48.389 ERROR [neutron.api.v2.resource] update failed
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/neutron/api/v2/resource.py", line 87, in resource
    result = method(request=request, **args)
  File "/usr/lib/python2.7/site-packages/neutron/api/v2/base.py", line 501, in update
    allow_bulk=self._allow_bulk)
  File "/usr/lib/python2.7/site-packages/neutron/api/v2/base.py", line 603, in prepare_request_body
    Controller._verify_attributes(res_dict, attr_info)
  File "/usr/lib/python2.7/site-packages/neutron/api/v2/base.py", line 650, in _verify_attributes
    raise webob.exc.HTTPBadRequest(msg)
HTTPBadRequest: Unrecognized attribute(s) 'routes'
2015-10-22 19:42:48.390 INFO [neutron.wsgi] 10.84.5.192,10.84.24.8 - - [22/Oct/2015 19:42:48] "PUT /v2.0/routers/c262014e-8975-4e82-b08c-08085d9891ce HTTP/1.1" 400 325 0.012609

[Nagendra Prasath (npchandran)]

 Update from Dev Team. Not a supported feature at this point of time.