Use the original playbook in play-resources tests

This commit includes the original resources.yml playbook
by using import_playbook.
Some modifications were needed mostly because of the way
import_playbook works.
Also moved the setup role call to prepare.

Change-Id: I8745d5e43fd2050d47970c7d19bbbc4db8a5847f
Issue-ID: OOM-1912
Signed-off-by: Michal Zegan <m.zegan@samsung.com>
diff --git a/ansible/test/play-resources/molecule/default/prepare.yml b/ansible/test/play-resources/molecule/default/prepare.yml
index a443600..5c8ae65 100644
--- a/ansible/test/play-resources/molecule/default/prepare.yml
+++ b/ansible/test/play-resources/molecule/default/prepare.yml
@@ -2,4 +2,7 @@
 - name: Prepare resource-data
   hosts: all
   roles:
+    - setup
     - prepare-resource-data
+  vars_files:
+    - vars.yml