+import gi
+gi.require_version('ProjectNsdYang', '1.0')
+gi.require_version('NsrYang', '1.0')
+
+#Setting RIFT_VAR_ROOT if not already set for unit test execution
+if "RIFT_VAR_ROOT" not in os.environ:
+ os.environ['RIFT_VAR_ROOT'] = os.path.join(os.environ['RIFT_INSTALL'], 'var/rift/unittest')
+