Novaclient has provided a public and unified method
get_console_url() to get console urls of server.
This change switches to use it.
Change-Id: Ie6b9d8cfc57a6943b5d64a4064e4bdd372cd8cd3
Depends-on: I36c6209b17ef453e1c2e47841daf41f81af471dc
Closes-Bug: #1654913
this will better isolate the unit tests from the functional tests.
unfortunately, the "integration" tests had to be lumped into the
"unit" tests since we need the separation in testr.conf
Change-Id: Ifd12198c1f90e4e3c951c73bfa1884ab300d8ded