---
- hosts: local
  connection: local
  gather_facts: no

  roles:
  - cibox-behat-selenium2

---
- hosts: 127.0.0.1
  connection: local
  gather_facts: no

  roles:
  - cibox-behat-selenium2

Change local host to 127.0.0.1 as all others.
Change local host to 127.0.0.1 as all others.