Symlink the role into tests

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: I5f80f3f29349782ce829913ef4ee7145c75bd64b
Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>

molecule/default/molecule.yml

@@ -10,7 +10,7 @@ driver:
 
 platforms:
   - name: "systemd-mount-${MOLECULE_SCENARIO_NAME}"
-    image: "${DOCKER_REGISTRY:-quay.io/gotmax23}/${DOCKER_IMAGE_TAG:-debian-systemd:bookworm}"
+    image: "${DOCKER_REGISTRY:-quay.io/gotmax23}/${DOCKER_IMAGE_TAG:-debian-systemd:trixie}"
     command: ${DOCKER_COMMAND:-""}
     pre_build_image: true
     privileged: true

tests/roles/systemd_mount

@@ -0,0 +1 @@
+../../

tests/test.yml

@@ -17,7 +17,7 @@
 - name: Playbook for role testing
   hosts: mount_hosts
   roles:
-    - role: "{{ playbook_dir | dirname | basename }}"
+    - role: systemd_mount
 
   vars:
     systemd_mounts: