diff --git a/test/rules_test.coffee b/test/rules_test.coffee
index d1cb28fab..fddeb7e18 100644
--- a/test/rules_test.coffee
+++ b/test/rules_test.coffee
@@ -10,7 +10,7 @@ tests = [
 ]
 
 until tests.length == 0
-  helper.sent = []
+  helper.reset()
   test = tests.shift()
   test(helper)
 
diff --git a/test/tests.coffee b/test/tests.coffee
index 1dc2e8e29..ff9850281 100644
--- a/test/tests.coffee
+++ b/test/tests.coffee
@@ -44,6 +44,9 @@ class Helper extends Robot
   stop: ->
     process.exit 0
 
+  reset: ->
+    @sent = []
+
 class Danger extends Adapter
   send: (user, strings...) ->
     @robot.sent.push str for str in strings