DEV: correct spec to allow for new default

b4bfc27b changes the default so the spec should be changed as well.

spec/components/middleware/request_tracker_spec.rb

@@ -129,7 +129,8 @@ describe Middleware::RequestTracker do
       Middleware::RequestTracker.new(app)
     end
 
-    it "does nothing by default" do
+    it "does nothing if configured to do nothing" do
+      global_setting :max_reqs_per_ip_mode, "none"
       global_setting :max_reqs_per_ip_per_10_seconds, 1
 
       status, _ = middleware.call(env)