diff --git a/core/api/src/test/resources/mcast-config-inner.json b/core/api/src/test/resources/mcast-config-inner.json
new file mode 100644
index 0000000..cfeeaae
--- /dev/null
+++ b/core/api/src/test/resources/mcast-config-inner.json
@@ -0,0 +1,3 @@
+{
+  "egressInnerVlan" : "None"
+}
\ No newline at end of file