diff --git a/serializers/json/src/test/resources/demo1.yang b/serializers/json/src/test/resources/demo1.yang
new file mode 100644
index 0000000..feeccd6
--- /dev/null
+++ b/serializers/json/src/test/resources/demo1.yang
@@ -0,0 +1,63 @@
+module demo1 {
+    yang-version 1;
+    namespace "namespace1";
+    prefix "demo1";
+    revision "2013-07-15";
+    container device {
+        list device {
+            key deviceid;
+            leaf deviceid {
+                type string;
+            }
+    	    leaf Customs-supervisor {
+        	type string;
+        	description "name of the customs-supervisor.";
+    	    }
+
+    	    leaf Merchandiser-supervisor {
+        	type string;
+        	description "name of merchandiser-supervisor";
+    	    }
+
+    	    list Material-supervisor {
+        	key "name";
+        	leaf name {
+            		type string;
+            		description "name of logistics-supervisor";
+        	}
+
+        	leaf departmentId {
+            		type string;
+            		description "name of department";
+        	}
+    	    }
+
+    	    container Purchasing-supervisor {
+        	leaf purchasing-specialist {
+            		type string;
+            		description "name of the purchasing-specialist person";
+        	}
+
+        	leaf-list support {
+            		type string;
+            		description "name of the support person";
+        	}
+    	    }
+
+    	    leaf-list Warehouse-supervisor {
+        	type string;
+        	description "name of the warehouse-supervisor's";
+    	    }
+
+    	    leaf Trading-supervisor {
+        	type string;
+        	description "name of the trading-supervisor";
+    	    }
+
+    	    leaf-list Employee-id {
+        	type string;
+        	description "list of the employee id";
+    	    }
+        }
+    }
+}