Use proper kwargs in rebuild_server
Use proper kwargs in rebuild_server

Use proper kwargs arg instead of the named arg in rebuild_server.
The method is not used anywhere with the rebuild_kwargs set so this
change should affect anybody.

Implements: blueprint tempest-scenario-manager-stable
Change-Id: Id445d3f1daee4dec1f771580667a35baffa18e62

openstack/tempest,openstack/tempest