diff --git a/test/test_helper.rb b/test/test_helper.rb
index d767720..071f293 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -209,6 +209,12 @@ class ActiveSupport::TestCase
     Noosfero::MultiTenancy.stubs(:on?).returns(false)
   end
 
+  def unsafe(string)
+    ret = ActiveSupport::SafeBuffer.new(string)
+    ret.instance_eval { @html_safe = false }
+    ret
+  end
+
 end
 
 module NoosferoTestHelper
diff --git a/test/unit/block_helper_test.rb b/test/unit/block_helper_test.rb
index 4dfb152..e677766 100644
--- a/test/unit/block_helper_test.rb
+++ b/test/unit/block_helper_test.rb
@@ -6,8 +6,8 @@ class BlogHelperTest < ActiveSupport::TestCase
   include ActionView::Helpers::TagHelper
 
   should 'escape title html' do
-    assert_no_match /<b>/, block_title('<b>test</b>')
-    assert_match /&lt;b&gt;test&lt;\/b&gt;/, block_title('<b>test</b>')
+    assert_no_match /<b>/, block_title(unsafe('<b>test</b>'))
+    assert_match /&lt;b&gt;test&lt;\/b&gt;/, block_title(unsafe('<b>test</b>'))
   end
 
 end
--
libgit2 0.21.2