diff --git a/tests/test_wstools.py b/tests/test_wstools.py
index 7eb58fa..caf7248 100644
--- a/tests/test_wstools.py
+++ b/tests/test_wstools.py
@@ -13,6 +13,9 @@ def makeTestSuite():
     suite.addTest(test_wsdl.makeTestSuite("services_by_file"))
     return suite
 
-if __name__ == "__main__":
+def test_runner():
     runner = unittest.TextTestRunner()
     runner.run(makeTestSuite())
+
+if __name__ == '__main__':
+    test_runner()
diff --git a/tests/test_wstools_net.py b/tests/test_wstools_net.py
index 9c487fe..f1d7666 100644
--- a/tests/test_wstools_net.py
+++ b/tests/test_wstools_net.py
@@ -14,8 +14,8 @@ def makeTestSuite():
     return suite
 
 
-def main():
+def test_runner():
     unittest.main(defaultTest="makeTestSuite")
 
 if __name__ == "__main__":
-    main()
+    test_runner()