Add ensure-genmanifest role

Change-Id: Ifebf9da8cd8eeaa9cec621e490064a0f935ddbe0
diff --git a/playbooks/test-ensure-genmanifest.yaml b/playbooks/test-ensure-genmanifest.yaml
new file mode 100644
index 0000000..3dbc5b8
--- /dev/null
+++ b/playbooks/test-ensure-genmanifest.yaml
@@ -0,0 +1,6 @@
+- hosts: all
+  roles:
+    - ensure-genmanifest
+  tasks:
+    - name: Print genmanifest help
+      command: $HOME/go/bin/genmanifest --help