diff --git a/test/models/author.hpp b/test/models/author.hpp
index a899999..e947d54 100644
--- a/test/models/author.hpp
+++ b/test/models/author.hpp
@@ -19,11 +19,10 @@ struct author {
     std::string date_of_birth;
     unsigned short year_of_birth{};
     bool distinguished{false};
-    std::vector<matador::object::object_ptr<book>> books;
+    std::vector<object::object_ptr<book>> books;
 
     template<typename Operator>
-    void process(Operator &op)
-    {
+    void process(Operator &op) {
         namespace field = matador::access;
         field::primary_key(op, "id", id);
         field::attribute(op, "first_name", first_name, 63);
@@ -31,7 +30,7 @@ struct author {
         field::attribute(op, "date_of_birth", date_of_birth, 31);
         field::attribute(op, "year_of_birth", year_of_birth);
         field::attribute(op, "distinguished", distinguished);
-        // field::has_many(op, books, "author_id", utils::fetch_type::LAZY);
+        field::has_many(op, "books", books, "author_id", utils::fetch_type::EAGER);
     }
 };
 
diff --git a/test/models/recipe.hpp b/test/models/recipe.hpp
index ef8f09b..a832a4d 100644
--- a/test/models/recipe.hpp
+++ b/test/models/recipe.hpp
@@ -16,14 +16,14 @@ struct ingredient
 {
   unsigned int id{};
   std::string name;
-  std::vector<matador::object::object_ptr<recipe>> recipes;
+  std::vector<object::object_ptr<recipe>> recipes;
 
   template<class Operator>
   void process(Operator &op) {
     namespace field = matador::access;
     field::primary_key(op, "id", id);
     field::attribute(op, "name", name, 255);
-    // field::has_many_to_many(op, "recipe_ingredients", recipes, "ingredient_id", "recipe_id", utils::fetch_type::EAGER);
+    field::has_many_to_many(op, "recipe_ingredients", recipes, "ingredient_id", "recipe_id", utils::fetch_type::EAGER);
   }
 };
 
@@ -31,14 +31,14 @@ struct recipe
 {
   unsigned int id{};
   std::string name;
-  std::vector<matador::object::object_ptr<ingredient>> ingredients;
+  std::vector<object::object_ptr<ingredient>> ingredients;
 
   template<class Operator>
   void process(Operator &op) {
     namespace field = matador::access;
     field::primary_key(op, "id", id);
     field::attribute(op, "name", name, 255);
-    // field::has_many_to_many(op, "recipe_ingredients", ingredients, utils::fetch_type::LAZY);
+    field::has_many_to_many(op, "recipe_ingredients", ingredients, utils::fetch_type::LAZY);
   }
 };