diff --git a/test/unit/api/api_test.rb b/test/unit/api/api_test.rb
index af3c89c..f731383 100644
--- a/test/unit/api/api_test.rb
+++ b/test/unit/api/api_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class MyPlugin < Noosfero::Plugin;end
 class MyPlugin::API;end
diff --git a/test/unit/api/articles_test.rb b/test/unit/api/articles_test.rb
index ca0399d..3e9e58f 100644
--- a/test/unit/api/articles_test.rb
+++ b/test/unit/api/articles_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class ArticlesTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/categories_test.rb b/test/unit/api/categories_test.rb
index 24b8244..04466b3 100644
--- a/test/unit/api/categories_test.rb
+++ b/test/unit/api/categories_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class CategoriesTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/comments_test.rb b/test/unit/api/comments_test.rb
index 0a718ea..5115297 100644
--- a/test/unit/api/comments_test.rb
+++ b/test/unit/api/comments_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class CommentsTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/communities_test.rb b/test/unit/api/communities_test.rb
index 029d564..7ced638 100644
--- a/test/unit/api/communities_test.rb
+++ b/test/unit/api/communities_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class CommunitiesTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/enterprises_test.rb b/test/unit/api/enterprises_test.rb
index 3774d0a..a3e25d4 100644
--- a/test/unit/api/enterprises_test.rb
+++ b/test/unit/api/enterprises_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class EnterprisesTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/helpers_test.rb b/test/unit/api/helpers_test.rb
index deaf85e..6c7d19e 100644
--- a/test/unit/api/helpers_test.rb
+++ b/test/unit/api/helpers_test.rb
@@ -1,5 +1,5 @@
-require File.dirname(__FILE__) + '/test_helper'
-require File.expand_path(File.dirname(__FILE__) + "/../../../lib/noosfero/api/helpers")
+require_relative 'test_helper'
+require 'noosfero/api/helpers'
 
 class APIHelpersTest < ActiveSupport::TestCase
 
@@ -54,35 +54,35 @@ class APIHelpersTest < ActiveSupport::TestCase
   should 'limit be defined as the params limit value' do
     local_limit = 30
     self.params= {:limit => local_limit}
-    assert_equal local_limit, limit 
+    assert_equal local_limit, limit
   end
 
   should 'return default limit if the limit parameter is minor than zero' do
     self.params= {:limit => -1}
-    assert_equal 20, limit 
+    assert_equal 20, limit
   end
 
   should 'the default limit be 20' do
-    assert_equal 20, limit 
+    assert_equal 20, limit
   end
 
   should 'the beginning of the period be the first existent date if no from date is passsed as parameter' do
     assert_equal Time.at(0).to_datetime, period(nil, nil).to_a[0]
-  end 
+  end
 
   should 'the beginning of the period be from date passsed as parameter' do
     from = DateTime.now
     assert_equal from, period(from, nil).min
-  end 
+  end
 
   should 'the end of the period be now if no until date is passsed as parameter' do
     assert_in_delta DateTime.now, period(nil, nil).max
-  end 
+  end
 
   should 'the end of the period be until date passsed as parameter' do
     until_date = DateTime.now
     assert_equal until_date, period(nil, until_date).max
-  end 
+  end
 
   should 'parse_content_type return nil if its blank' do
     assert_nil parse_content_type("")
@@ -96,23 +96,23 @@ class APIHelpersTest < ActiveSupport::TestCase
     assert_equivalent ['TextArticle','TinyMceArticle'], parse_content_type("TextArticle,TinyMceArticle")
   end
 
-  should 'find_article return article by id in list passed for user with permission' do 
+  should 'find_article return article by id in list passed for user with permission' do
     user = create_user('someuser')
     a = fast_create(Article, :profile_id => user.person.id)
     fast_create(Article, :profile_id => user.person.id)
     fast_create(Article, :profile_id => user.person.id)
- 
+
     user.generate_private_token!
     User.expects(:find_by_private_token).returns(user)
     assert_equal a, find_article(user.person.articles, a.id)
   end
 
-  should 'find_article return forbidden when a user try to access an article without permission' do 
+  should 'find_article return forbidden when a user try to access an article without permission' do
     user = create_user('someuser')
     p = fast_create(Profile)
     a = fast_create(Article, :published => false, :profile_id => p.id)
     fast_create(Article, :profile_id => p.id)
- 
+
     user.generate_private_token!
     User.expects(:find_by_private_token).returns(user)
     assert_equal 403, find_article(p.articles, a.id).last
diff --git a/test/unit/api/people_test.rb b/test/unit/api/people_test.rb
index e35f8eb..5f20472 100644
--- a/test/unit/api/people_test.rb
+++ b/test/unit/api/people_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class PeopleTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/session_test.rb b/test/unit/api/session_test.rb
index 84e4712..ff1e7a2 100644
--- a/test/unit/api/session_test.rb
+++ b/test/unit/api/session_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class SessionTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/task_test.rb b/test/unit/api/task_test.rb
index 81ccb09..01bf515 100644
--- a/test/unit/api/task_test.rb
+++ b/test/unit/api/task_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/test_helper'
+require_relative 'test_helper'
 
 class TasksTest < ActiveSupport::TestCase
 
diff --git a/test/unit/api/test_helper.rb b/test/unit/api/test_helper.rb
index 4c714c3..7cc9f3e 100644
--- a/test/unit/api/test_helper.rb
+++ b/test/unit/api/test_helper.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/../../test_helper'
+require 'test_helper'
 
 class ActiveSupport::TestCase
 
--
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