test: fix config test

apps/emqx/test/emqx_config_SUITE.erl

@@ -76,8 +76,7 @@ t_fill_default_values(C) when is_list(C) ->
                             <<"trie_compaction">> := true
                         },
                     <<"route_batch_clean">> := false,
-                    <<"session_locking_strategy">> := <<"quorum">>,
-                    <<"shared_subscription_strategy">> := <<"round_robin">>
+                    <<"session_history_retain">> := <<"0s">>
                 }
         },
         WithDefaults