3 files changed, 3 insertions, 0 deletions

diff --git a/tests/playbooks/post.yml b/tests/playbooks/post.yml
index 8f3735111..413d3f757 100644
--- a/tests/playbooks/post.yml
+++ b/tests/playbooks/post.yml
@@ -1,3 +1,4 @@
+---
 - hosts: all
   roles:
     - collect-collectd
diff --git a/tests/playbooks/pre.yml b/tests/playbooks/pre.yml
index 40f3f1213..b368ebda0 100644
--- a/tests/playbooks/pre.yml
+++ b/tests/playbooks/pre.yml
@@ -1,3 +1,4 @@
+---
 - hosts: all
   become: true
   roles:
diff --git a/tests/playbooks/run.yml b/tests/playbooks/run.yml
index 92af9d639..5d9b40f63 100644
--- a/tests/playbooks/run.yml
+++ b/tests/playbooks/run.yml
@@ -1,3 +1,4 @@
+---
 - hosts: all
   vars:
     kolla_inventory_path: "{{ zuul.project.src_dir }}/inventory"