Added test case and setting Test configuration

qt6-after/qt6-migrated-legatus/include/Core/core.hpp

@@ -10,6 +10,13 @@
 
 #pragma once
 
+#if BUILD_RTI
+// RTI build: the real headers live in the generated/DDS tree. This directory is
+// searched first, so hand the lookup on instead of shadowing them with stubs.
+#include_next <Core/core.hpp>
+
+#else
+
 #include <Core/core_types.h>
 #include <Core/core_enums.hpp>
 #include <Core/core_dtc.h>
@@ -104,4 +111,6 @@ inline std::ostream& operator<<(std::ostream& os, const GeoPosition2D& pos)
     return os;
 }
 
-} // namespace Core
+} // namespace Core
+
+#endif // BUILD_RTI