[ONOS-4799],[ONOS-4351] Augment inter file linker and Generated Code refactored.

Change-Id: Id1f3ac9c90a632373f51cc75d499c3110216be17
diff --git a/plugin/src/test/resources/xPathLinker/InterFile/InterMulti/test1.yang b/plugin/src/test/resources/xPathLinker/InterFile/InterMulti/test1.yang
new file mode 100644
index 0000000..9c1cdb0
--- /dev/null
+++ b/plugin/src/test/resources/xPathLinker/InterFile/InterMulti/test1.yang
@@ -0,0 +1,26 @@
+module test1 {  
+    namespace "xpath:inter:single";  
+    prefix test1 ;  
+      
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    container cont1 {
+       leaf leaf1 {
+          type int32;
+       }
+       container cont2 {
+           leaf leaf1 {
+             type int32;
+          }
+       }
+    }
+}
+