Added PARAVIRT interface type

Change-Id: I3f4b69bd1066fabe49205cc4a2c0cd254cbceef8
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/tests/test_python.py b/tests/test_python.py
index f6b4f7d..874d442 100644
--- a/tests/test_python.py
+++ b/tests/test_python.py
@@ -44,7 +44,7 @@
             -   name: eth0
                 type: EXTERNAL
                 virtual-interface:
-                    type: VIRTIO
+                    type: PARAVIRT
                     bandwidth: '0'
                     vpci: 0000:00:0a.0
                 external-connection-point-ref: eth0