Change extensions list type

This patch changes type of extensions pillar to dictionary

Change-Id: Ia8b155766daa111973e90bd59aacaec6a3778506
Related-PROD: PROD-14689
diff --git a/tests/pillar/control_qos.sls b/tests/pillar/control_qos.sls
index 9bed6b5..e1a8f6f 100644
--- a/tests/pillar/control_qos.sls
+++ b/tests/pillar/control_qos.sls
@@ -7,6 +7,9 @@
         ovs:
           driver: openvswitch
       tenant_network_types: flat,vxlan
+      extension:
+        qos:
+          enabled: true
     bind:
       address: 172.16.10.101
       port: 9696
@@ -26,7 +29,6 @@
     dns_domain: novalocal
     dvr: false
     enabled: true
-    qos: true
     global_physnet_mtu: 1500
     identity:
       engine: keystone