Another attempt at reducing racy failures.

Author: Simon MacMullen

src/mirrored_supervisor_tests.erl

@@ -245,7 +245,7 @@ inc_group() ->
 get_group(Group) ->
     {Group, get(counter)}.
 
-call(Id, Msg) -> call(Id, Msg, 100, 10).
+call(Id, Msg) -> call(Id, Msg, 1000, 100).
 
 call(Id, Msg, 0, _Decr) ->
     exit({timeout_waiting_for_server, {Id, Msg}});