Extend the data_processing testing with sahara-tests
Extend the data_processing testing with sahara-tests

Tempest-based tests for Sahara have been moved to sahara-tests.

Change-Id: Iac86f074b11eff5911c4054c375bee43f60b0813

redhat-openstack/infrared,okolisny/InfraRed,redhat-openstack/infrared,redhat-openstack/infrared,okolisny/InfraRed,okolisny/InfraRed