yang printer CHANGE some tunning of printer to unify output with pyang
diff --git a/tests/utests/node/list.c b/tests/utests/node/list.c
index 7dcd68d..800b05f 100644
--- a/tests/utests/node/list.c
+++ b/tests/utests/node/list.c
@@ -690,6 +690,7 @@
 
     /* test print yin to yang */
     schema_yang = MODULE_CREATE_YANG("PRINT1",
+            "\n"
             "  list user {\n"
             "    key \"uid name\";\n"
             "    unique \"name\";\n"