Land rapid7#6523, event_tester plugin fix

Author: wvu

plugins/event_tester.rb

@@ -7,7 +7,7 @@ module Msf
 
 class Plugin::EventTester < Msf::Plugin
   class Subscriber
-    def respond_to?(name)
+    def respond_to?(name, *args)
       # Why yes, I can do that.
       true
     end