Index: sources/model/hd/data/MPrimingData.h
===================================================================
diff -u -r074b32b5cc08f41f2d9ce0d021f2151b76bba5ad -rd9f8e4e8356bd081f84dc08c4d65d727c0ee707f
--- sources/model/hd/data/MPrimingData.h	(.../MPrimingData.h)	(revision 074b32b5cc08f41f2d9ce0d021f2151b76bba5ad)
+++ sources/model/hd/data/MPrimingData.h	(.../MPrimingData.h)	(revision d9f8e4e8356bd081f84dc08c4d65d727c0ee707f)
@@ -11,6 +11,8 @@
 
 class MPrimingData : public MAbstract
 {
+    // friends
+    friend class ::tst_models;
 
     QVariantList parameters() const override;