This is an initial set of tests of the ironicclient intended
to show that the ironic role has been installed and that the
API is responding correctly.
Tests are:
- list chassis
- list nodes
- list drivers
- create node
- validate node
- create port
- update node
- delete node
Change-Id: I98e67e076bce8711cb1c8e0f8b2e9ae0d89d520d