diff --git a/tests/data/bbsim-kind.yaml b/tests/data/bbsim-kind.yaml
index 5326f68..cedde9f 100644
--- a/tests/data/bbsim-kind.yaml
+++ b/tests/data/bbsim-kind.yaml
@@ -42,3 +42,7 @@
 
   dst:
     - ip: null
+
+# To read only if workflow is "TT"
+onos_netcfg:
+  file: ${CURDIR}/../../data/onos-igmp.json
diff --git a/tests/data/onos-igmp.json b/tests/data/onos-igmp.json
new file mode 100644
index 0000000..76f4fa4
--- /dev/null
+++ b/tests/data/onos-igmp.json
@@ -0,0 +1,22 @@
+{
+    "org.opencord.igmpproxy" : {
+        "igmpproxy":{
+            "FastLeave":"true",
+            "LastQueryInterval":1,
+            "MaxResp":1,
+            "enableIgmpProvisioning":"false",
+            "globalConnectPointMode":"true",
+            "globalConnectPoint" : "of:0000000000000001/3",
+            "sourceDeviceAndPort":"of:0000000000000001/3",
+            "outgoingIgmpVlanId":550,
+            "outgoingIgmpInnerVlanId":55,
+            "outgoingIgmpWithV3":"true",
+            "IgmpCos":5,
+            "IgmpUniCos":5,
+            "PeriodicQuery":"true",
+            "KeepAliveInterval":60,
+            "KeepAliveCount":5,
+            "requestDsIgmpPackets":false
+        }
+    }
+}