[SDNC-Netconf-TLS] Update SDNC CSIT

 -Updated Netconf-Pnp-Sim image version
 -Code update for failing CSIT tests

Issue-ID: INT-1655
Signed-off-by: ajay_dp001 <ajay.deep.singh@est.tech>
Change-Id: I593cc225730bfa7061448c3a47e458dfa41dc3ed
diff --git a/scripts/sdnc/netconf-pnp-simulator/docker-compose.yml b/scripts/sdnc/netconf-pnp-simulator/docker-compose.yml
index 67a75c9..d8e723b 100755
--- a/scripts/sdnc/netconf-pnp-simulator/docker-compose.yml
+++ b/scripts/sdnc/netconf-pnp-simulator/docker-compose.yml
@@ -2,7 +2,7 @@
 
 services:
   netconf-pnp-simulator:
-    image: nexus3.onap.org:10001/onap/integration/simulators/netconf-pnp-simulator:2.8.5
+    image: nexus3.onap.org:10001/onap/integration/simulators/netconf-pnp-simulator:2.8.6
     container_name: netconf-simulator
     restart: always
     ports: