Add tests for observations

tests/config/obs_tests/laydown_with_NODE_LINK_TABLE.yaml

@@ -3,17 +3,16 @@
 - itemType: OBSERVATION_SPACE
   components:
     - name: NODE_LINK_TABLE
-      options:
-        - combine_service_traffic: false
-        - quantisation_levels: 8
 - itemType: STEPS
   steps: 5
 - itemType: PORTS
   portsList:
     - port: '80'
+    - port: '53'
 - itemType: SERVICES
   serviceList:
     - name: TCP
+    - name: UDP
 
 ########################################
 # Nodes
@@ -31,6 +30,9 @@
     - name: TCP
       port: '80'
       state: GOOD
+    - name: UDP
+      port: '53'
+      state: GOOD
 - itemType: NODE
   node_id: '2'
   name: SERVER
@@ -45,6 +47,9 @@
     - name: TCP
       port: '80'
       state: GOOD
+    - name: UDP
+      port: '53'
+      state: GOOD
 - itemType: NODE
   node_id: '3'
   name: SWITCH1