Add play to wait for the snapshot to be synced and cleaned

On a slower system the ansible can attempt to recreate the snapshot
before the old snaphot has finished syncing and still exists, this will
lead to failure to create new snapshot and exit form run.

Signed-off-by: Yair Podemsky <ypodemsk@redhat.com>

roles/ci_restore_snapshot/tasks/main.yml

@@ -25,6 +25,14 @@
 - name: Refresh LVM
   command:
     cmd:  lvchange --refresh vg1
+
+- name: wait until snapshot is cleared
+  ansible.builtin.shell: lvs -a
+  register: result
+  until: result.stdout | regex_search('root-snap', ignorecase=True) is none
+  retries: 6
+  delay: 10
+
 - name: Recreate the snapshot
   lvol:
     vg: vg1