root: test: Random: assert multiple types

- Add test cases for multiple types
- Rewrite to include new interface/impl
- Fix assertion test to not exceed error boundary

container/src/root/test/common/random.hh

@@ -53,7 +53,8 @@ struct RandomInterface
     t_random generate_impl()
     {
       static_assert(
-          std::is_same_v<t_random, uint32_t>, "Random interface has changed");
+          ::docker_finance::internal::type::is_real_integral<t_random>::value,
+          "Random interface has changed");
 
       return t_random{std::numeric_limits<t_random>::max()};
     }