Fixed minor bug when editing sdn-controller. Modified test_RO.py according to openmano behaviour. Added additional tests for SDN

Change-Id: Iacb895c0f95e24e0e1b1c1b33a8072f8edd40534
Signed-off-by: Pablo Montes Moreno <pablo.montesmoreno@telefonica.com>
diff --git a/test/test_RO.py b/test/test_RO.py
index dd69c2a..f5194ac 100755
--- a/test/test_RO.py
+++ b/test/test_RO.py
@@ -56,7 +56,7 @@
 
     for net in instance['nets']:
         status = net['status']
-        if status != 'BUILD':
+        if status != 'ACTIVE':
             return (False, status)
 
     for vnf in instance['vnfs']: