Fixed timing issue.

test/browser/signup_test.rb

@@ -1,6 +1,6 @@
 # encoding: utf-8
 require 'browser_test_helper'
- 
+
 class SignupTest < TestCase
   def test_signup
     signup_user_email = 'signup-test-' + rand(999999).to_s + '@example.com'
@@ -55,7 +55,7 @@ class SignupTest < TestCase
           },
           {
             :execute => 'wait',
-            :value   => 2,
+            :value   => 5,
           },
 
           # check action