diff --git a/test/functional/help_controller_test.rb b/test/functional/help_controller_test.rb
index caf2c551..ab246afb 100644
--- a/test/functional/help_controller_test.rb
+++ b/test/functional/help_controller_test.rb
@@ -12,7 +12,7 @@
 # See doc/COPYRIGHT.rdoc for more details.
 #++
 
-require 'test_helper'
+require File.expand_path('../../test_helper', __FILE__)
 
 class HelpControllerTest < ActionController::TestCase
   test "renders wiki_syntax properly" do
diff --git a/test/functional/ldap_auth_sources_controller.rb b/test/functional/ldap_auth_sources_controller.rb
index 3f88d01a..8254b2f4 100644
--- a/test/functional/ldap_auth_sources_controller.rb
+++ b/test/functional/ldap_auth_sources_controller.rb
@@ -12,7 +12,7 @@
 # See doc/COPYRIGHT.rdoc for more details.
 #++
 
-require 'test_helper'
+require File.expand_path('../../test_helper', __FILE__)
 
 class LdapAuthSourcesControllerTest < ActionController::TestCase
   fixtures :all
diff --git a/test/unit/helpers/issue_moves_helper_test.rb b/test/unit/helpers/issue_moves_helper_test.rb
index 4ab9dd27..525c1b9f 100644
--- a/test/unit/helpers/issue_moves_helper_test.rb
+++ b/test/unit/helpers/issue_moves_helper_test.rb
@@ -12,7 +12,7 @@
 # See doc/COPYRIGHT.rdoc for more details.
 #++
 
-require 'test_helper'
+require File.expand_path('../../../test_helper', __FILE__)
 
 class IssueMovesHelperTest < ActionView::TestCase
 end