diff --git a/tests/test_wsdl.py b/tests/test_wsdl.py
index a8adbe9..2dc409b 100644
--- a/tests/test_wsdl.py
+++ b/tests/test_wsdl.py
@@ -26,15 +26,11 @@ def makeTestSuite(section='services_by_file'):
     nameGenerator = getOption(cp, section)
     suite = unittest.TestSuite()
     for i in range(0, numTests):
-        case = WSDLToolsAbstractCase()
-        case.__test__ = true
-        suite.addTest(unittest.makeSuite(case, 'test_'))
+        suite.addTest(unittest.makeSuite(WSDLToolsAbstractCase, 'test_'))
     return suite
 
 
-class WSDLToolsAbstractCase(unittest.TestCase):
-
-    __test__ = false
+class WSDLToolsAbstractCase():
 
     def __init__(self, methodName='runTest'):
         unittest.TestCase.__init__(self, methodName)