diff --git a/lib/noosfero_test.rb b/lib/noosfero_test.rb
index d7958c2..6f5853c 100644
--- a/lib/noosfero_test.rb
+++ b/lib/noosfero_test.rb
@@ -8,5 +8,16 @@ module NoosferoTest
     super(path, (parameters ? self.class.extra_parameters.merge(parameters) : self.class.extra_parameters), headers)
   end
 
+  module ClassMethods
+    def noosfero_test(parameters)
+      instance_variable_set('@noosfero_test_extra_parameters', parameters)
+      def extra_parameters
+        @noosfero_test_extra_parameters
+      end
+      include NoosferoTest
+    end
+  end
 
 end
+
+Test::Unit::TestCase.send(:extend, NoosferoTest::ClassMethods)
diff --git a/test/test_helper.rb b/test/test_helper.rb
index d1d1122..7d2ecd6 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,6 +2,7 @@ ENV["RAILS_ENV"] = "test"
 require File.expand_path(File.dirname(__FILE__) + "/../config/environment")
 require 'test_help'
 require 'mocha'
+require 'noosfero_test'
 
 class Test::Unit::TestCase
   # Transactional fixtures accelerate your tests by wrapping each test method
--
libgit2 0.21.2