tests CHANGE headers includes cleanup
Set necessary include directories instead of including library headers
in tests via relative path (which cause problems when building in
some nonstandard build directories).
diff --git a/tests/utests/schema/test_parser_yang.c b/tests/utests/schema/test_parser_yang.c
index 31b9c34..c51bafe 100644
--- a/tests/utests/schema/test_parser_yang.c
+++ b/tests/utests/schema/test_parser_yang.c
@@ -20,10 +20,10 @@
#include <stdio.h>
#include <string.h>
-#include "../../../src/common.h"
-#include "../../../src/tree_schema.h"
-#include "../../../src/tree_schema_internal.h"
-#include "../../../src/parser_internal.h"
+#include "common.h"
+#include "parser_internal.h"
+#include "tree_schema.h"
+#include "tree_schema_internal.h"
/* originally static functions from tree_schema_free.c and parser_yang.c */
void lysp_ext_instance_free(struct ly_ctx *ctx, struct lysp_ext_instance *ext);