Andrew Kerr 333474047c Add functional tests for Manila consistency groups
This commit adds tempest functional tests for Manila consistency
groups and cgsnapshot objects and actions. By default these tests are
enabled; 3rd party CI systems should disabled these tests through the
RUN_MANILA_CG_TESTS environment variable if their driver does not
support consistency groups.

Partially implements bp manila-consistency-groups
Change-Id: I3297e02ad53c328f0bfe5245fefdb6af80552b4a
2015-09-07 13:59:22 -04:00
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