anchor.diff:  error_logger_redirect_crash_test_() ->
       {foreach,
           fun() ->
  +                error_logger:tty(false),
                   application:load(lager),
                   application:set_env(lager, error_logger_redirect, true),
                   application:set_env(lager, handlers, [{?MODULE, error}]),
  
positive.code:     }.
  
  setup() ->
      application:load(lager),
      application:set_env(lager, handlers, [{?MODULE, info}]),
      application:set_env(lager, error_logger_redirect, false),
  
negative.code: error_logger_redirect_test_() ->
      {foreach,
          fun() ->
                  error_logger:tty(false),
                  application:load(lager),
                  application:set_env(lager, error_logger_redirect, true),
                  application:set_env(lager, handlers, [{?MODULE, info}]),
  