rabbitmq_recent_history_exchange: Respect RABBITMQ_METADATA_STORE in system_SUITE

(cherry picked from commit 6af9625)

Author: dumbbell

deps/rabbitmq_recent_history_exchange/test/system_SUITE.erl

@@ -58,11 +58,15 @@ end_per_suite(Config) ->
     rabbit_ct_helpers:run_teardown_steps(Config).
 
 init_per_group(mnesia_store, Config) ->
-    rabbit_ct_helpers:set_config(Config, [{metadata_store, mnesia}]);
+    case rabbit_ct_broker_helpers:configured_metadata_store(Config) of
+        {khepri, _} -> {skip, "These tests target Mnesia"};
+        _           -> Config
+    end;
 init_per_group(khepri_store, Config) ->
-    rabbit_ct_helpers:set_config(
-      Config,
-      [{metadata_store, {khepri, [khepri_db]}}]);
+    case rabbit_ct_broker_helpers:configured_metadata_store(Config) of
+        mnesia -> {skip, "These tests target Khepri"};
+        _      -> Config
+    end;
 init_per_group(_, Config) ->
     Config1 = rabbit_ct_helpers:set_config(Config, [
                                                     {rmq_nodename_suffix, ?MODULE},