Fix container_runtime openshift_containerized_host_groups

openshift_containerized_host_groups needs to be referenced via
hostvars.

This commit also updates tox ansible syntax checks to account
for unavailability of hostsvars during syntax checks.

Fixes: https://github.com/openshift/openshift-ansible/issues/6540

1 files changed, 3 insertions, 0 deletions

diff --git a/test/tox-inventory.txt_extras b/test/tox-inventory.txt_extras
new file mode 100644
index 000000000..f73610570
--- /dev/null
+++ b/test/tox-inventory.txt_extras
@@ -0,0 +1,3 @@
+---
+hostvars:
+  localhost: {}