libyang REFACTOR separate macros to edit sized arrays and linked list

Keep the macros in a standalone header to allow making this header
public for plugins API in future without affecting the rest of internal
data in common.h
diff --git a/tests/utests/schema/test_schema_common.c b/tests/utests/schema/test_schema_common.c
index 6885e0c..d663c9a 100644
--- a/tests/utests/schema/test_schema_common.c
+++ b/tests/utests/schema/test_schema_common.c
@@ -17,6 +17,7 @@
 
 #include "context.h"
 #include "log.h"
+#include "tree_edit.h"
 #include "tree_schema.h"
 #include "tree_schema_internal.h"