Replace ModulesUtil in test

Signed-off-by: Jorge Bescos Gascon <[email protected]>

Author: jbescos

src/main/java/org/eclipse/yasson/internal/model/ModulesUtil.java

@@ -20,6 +20,6 @@ private ModulesUtil() {
     }
 
     static MethodHandles.Lookup lookup(){
-        return MethodHandles.lookup();
+        return MethodHandles.publicLookup();
     }
 }