Ansible Core 2.19 has a different set of default paths to look for roles
so molecule test is failing now.
Let's create a symlink of the role into the tests repo for the test
playbook to find content of the role easily.
Change-Id: I39b99208b4991c44e0cc9c489e7b34d80ab94855
Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>