xml BUGFIX line restore after data skip
diff --git a/tests/utests/data/test_tree_data.c b/tests/utests/data/test_tree_data.c
index 9f5e483..9a79a64 100644
--- a/tests/utests/data/test_tree_data.c
+++ b/tests/utests/data/test_tree_data.c
@@ -45,7 +45,7 @@
             "import \"ietf-inet-types\" {prefix inet;}"
             "typedef optional-ip-address {type union {"
             "   type inet:ip-address;"
-            "   type string {pattern \"\";}"
+            "   type string;"
             "}}"
             "container cont {"
             "   list nexthop {min-elements 1; key \"gateway\";"