Adds more descriptor examples for validations

Change-Id: Ib8c37d568b75af2e7b06d3693032ac1d9fe6d5e0
Signed-off-by: garciaale <agarcia@whitestack.com>
diff --git a/tests/examples/etsi_complex_vnfd_sol006.yaml b/tests/examples/etsi_complex_vnfd_sol006.yaml
index 962f58b..189557a 100644
--- a/tests/examples/etsi_complex_vnfd_sol006.yaml
+++ b/tests/examples/etsi_complex_vnfd_sol006.yaml
@@ -34,7 +34,8 @@
           int-virtual-link-desc: mgmt
           layer-protocol: ipv4
       virtual-compute-desc: CP
-      virtual-storage-desc: root
+      virtual-storage-desc:
+        - root
       sw-image-desc: CP
     - id: control-plane-standby
       name: control-plane-standby
@@ -46,7 +47,8 @@
           int-virtual-link-desc: mgmt
           layer-protocol: ipv4
       virtual-compute-desc: CP
-      virtual-storage-desc: root
+      virtual-storage-desc:
+        - root
       sw-image-desc: CP
     - id: data-plane
       name: data-plane
@@ -59,7 +61,8 @@
         - id: out
           layer-protocol: ipv4
       virtual-compute-desc: DP
-      virtual-storage-desc: root
+      virtual-storage-desc:
+        - root
       sw-image-desc: DP
   virtual-compute-desc:
     - id: CP