Adding IGMP config in bbsim-kind-tt.yaml file

Change-Id: I6afc69a794d03a02d89f3d8c149381ff266bedff
diff --git a/tests/data/bbsim-kind-tt.yaml b/tests/data/bbsim-kind-tt.yaml
index 5e4adaf..daa0a5b 100755
--- a/tests/data/bbsim-kind-tt.yaml
+++ b/tests/data/bbsim-kind-tt.yaml
@@ -33,6 +33,9 @@
     ip: bbsim0
     serial: BBSIM_OLT_10
 
+onos_netcfg:
+  file: ${CURDIR}/../../data/onos-igmp.json
+
 hosts:
   src:
     - onu: 'BBSM000a0001'