code: public static Registry run(String type, String test) {
      Registry registry = createRegistry(type);
      TESTS.get(test).accept(registry);
      return registry;
    }
docs: Run a test for a given type of registry.
  
  @param type
  Should be one of `noop`, `default`, `atlas`, or `servo`.
  @param test
  Test name to run. See the `TESTS` map for available options.