[unit test] add orangecontrib test to the "tomwer test" application

tomwer/app/test_.py

@@ -150,6 +150,8 @@ def main(argv):
     import tomwer.test
     test_suite = unittest.TestSuite()
     test_suite.addTest(tomwer.test.suite())
+    import orangecontrib.tomwer.test
+    test_suite.addTest(orangecontrib.tomwer.test.suite())
     result = runner.run(test_suite)
 
     if result.wasSuccessful():