Onboarding xtf project for testing on OpenShift CI

[tommaso-borgato]

Onboarding xtf project for testing on OpenShift CI

Please make sure your PR meets the following requirements:

• [x] Pull Request contains a description of the changes
• [x] Pull Request does not include fixes for multiple issues/topics
• [x] Code is formatted, imports ordered, code compiles and tests are passing
• [x] Code is self-descriptive and/or documented

[simkam]

As mentioned on chat, we should add some (smoke) tests that can leverage OpenShift CI.