tempest/layer4: explicitly enable Sahara and Trove
The devstack default does not clone sahara and trove by default
anymore.
export DEVSTACK_GATE_TEMPEST=1
export DEVSTACK_GATE_HEAT=1
export DEVSTACK_GATE_NEUTRON=1
+ export DEVSTACK_GATE_SAHARA=1
+ export DEVSTACK_GATE_TROVE=1
export DEVSTACK_GATE_TEMPEST_REGEX="data_processing|orchestration"
export DEVSTACK_LOCAL_CONFIG="TEMPEST_USE_TEST_ACCOUNTS=True"
DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin sahara git://git.openstack.org/openstack/sahara"
