Fix backward compatibility with single network engine definitions.

Change-Id: Ib022b5b3bfdac630312c97b06ca100b0ef4a1673
diff --git a/tests/pillar/pool_cluster_with_domain.sls b/tests/pillar/pool_cluster_with_domain.sls
index 9ad7f69..194e060 100644
--- a/tests/pillar/pool_cluster_with_domain.sls
+++ b/tests/pillar/pool_cluster_with_domain.sls
@@ -49,9 +49,8 @@
       kube_proxy: DFvQ8GelB7afH3wClC9romaMPhquyyEe
     ca: kubernetes
     network:
-      cnis:
-      - calico
       calico:
+        enabled: true
         calicoctl_image: calico/ctl
         cni_image: calico/cni
         etcd: