Add experimental job triggering on openSUSE 42.2 for devstack-gate
Add experimental job triggering on openSUSE 42.2 for devstack-gate

In order to self-test porting of devstack-gate we need a opensuse
based experimental job

Change-Id: I919bd77f31b74160b45d3ce5f44305c217e63b20

openstack-infra/project-config,openstack-infra/project-config