phase 1 failing on No such file or directory: '/home/stack/tempest'

[Rafael Folco]

https://ci.centos.org/artifacts/rdo/jenkins-tripleo-quickstart-promote-rocky-rdo_trunk-minimal-118/console.txt.gz

Probably https://review.openstack.org/#/c/639651/15 broke phase 1

2019-03-09 19:12:54.152 | TASK [validate-tempest : Generate testrepository.subunit results file] *********
2019-03-09 19:12:54.152 | task path: /home/jenkins/workspace/tripleo-quickstart-promote-rocky-rdo_trunk-minimal/usr/local/share/ansible/roles/validate-tempest/tasks/tempest-results.yml:33
2019-03-09 19:12:54.175 | Saturday 09 March 2019 19:12:54 +0000 (0:00:01.591) 2:49:02.287 ********
2019-03-09 19:12:55.653 | fatal: [undercloud]: FAILED! => {
2019-03-09 19:12:55.653 | "changed": false,
2019-03-09 19:12:55.653 | "rc": 1
2019-03-09 19:12:55.653 | }
2019-03-09 19:12:55.653 |
2019-03-09 19:12:55.653 | MSG:
2019-03-09 19:12:55.653 |
2019-03-09 19:12:55.653 | MODULE FAILURE
2019-03-09 19:12:55.653 |
2019-03-09 19:12:55.653 |
2019-03-09 19:12:55.653 | MODULE_STDERR:
2019-03-09 19:12:55.653 |
2019-03-09 19:12:55.653 | Warning: Permanently added 'undercloud' (ECDSA) to the list of known hosts.
2019-03-09 19:12:55.654 | Traceback (most recent call last):
2019-03-09 19:12:55.654 | File "/tmp/ansible_NGTkDD/ansible_module_command.py", line 248, in <module>
2019-03-09 19:12:55.654 | main()
2019-03-09 19:12:55.654 | File "/tmp/ansible_NGTkDD/ansible_module_command.py", line 192, in main
2019-03-09 19:12:55.655 | os.chdir(chdir)
2019-03-09 19:12:55.655 | OSError: [Errno 2] No such file or directory: '/home/stack/tempest'