[ONOS-4616] grouping linker issues fixed and other defect fixed.

Change-Id: I1b23f9ed0293edbc2d551efe82982559eb916ede
diff --git a/utils/yangutils/src/test/resources/RangeStatementWithSpace.yang b/utils/yangutils/src/test/resources/RangeStatementWithSpace.yang
new file mode 100644
index 0000000..a41d68a
--- /dev/null
+++ b/utils/yangutils/src/test/resources/RangeStatementWithSpace.yang
@@ -0,0 +1,11 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf invalid-interval {
+        type int32 {
+            range "                          1                        ..                                        4 |                        10               ..                                          20                  ";
+         }
+    }
+}
+