Make scenario tests able to run with DHSS=False

Change Manila tempest scenario tests to be able to work
with drivers in 'driver_handles_share_servers = False' mode.

Closes-bug: #1483686

Change-Id: Iefa6718e8b537468e5f4f9ce50cccdf0cafe737d
3 files changed
tree: 4a5c2d30067fa22aa7a803cb3347c3ecaa67b510
  1. manila_tempest_tests/