added belongs-to-eager test

test/models/location.hpp

@@ -8,21 +8,18 @@
 #include <cstdint>
 
 namespace matador::test {
-
 enum class Color : uint8_t {
   Green, Red, Blue, Yellow, Black, White, Brown
 };
 
-struct location
-{
+struct location {
   unsigned int id{};
   std::string name;
   coordinate coord;
   Color color{Color::Green};
 
-  template < class Operator >
-  void process(Operator &op)
-  {
+  template<class Operator>
+  void process(Operator &op) {
     namespace field = matador::access;
     field::primary_key(op, "id", id);
     field::attribute(op, "name", name, 255);
@@ -30,7 +27,6 @@ struct location
     field::attribute(op, "color", color);
   }
 };
-
 }
 
 #endif //QUERY_LOCATION_HPP