Add support for leaflist

Change-Id: Idcb529f85240a32e84d82934c81fcf0c3451f94e
diff --git a/tests/example-schema.yang b/tests/example-schema.yang
index ef9d02d..3f32a87 100644
--- a/tests/example-schema.yang
+++ b/tests/example-schema.yang
@@ -247,4 +247,8 @@
     leaf dummy {
         type empty;
     }
+
+    leaf-list addresses {
+        type string;
+    }
 }