Bump up the attempts to wait 1minute

Author: MarcialRosales

deps/rabbitmq_auth_backend_cache/test/rabbit_auth_clear_cache_command_SUITE.erl

@@ -90,7 +90,7 @@ clear_cache(Config) ->
                 {error, not_found} -> true;
                 _ -> false
             end 
-        end, 5) || Node <- Nodes].
+        end, 20) || Node <- Nodes].
 
 ensure_cache_entries(Config, Nodename, {F, A}) ->
     {ok, AuthRespOk} = rpc(Config, Nodename, rabbit_auth_backend_internal, F, A),