diff --git a/tests/test_mixture_smoothing.py b/tests/test_mixture_smoothing.py
index <HASH>..<HASH> 100644
--- a/tests/test_mixture_smoothing.py
+++ b/tests/test_mixture_smoothing.py
@@ -23,3 +23,5 @@ class MS_Tester(unittest.TestCase):
             0.0911574,  0.0911574]), array([1, 1, 1, 1])))
 
         
+if __name__=="__main__":
+    unittest.main()
adding if __name__=='__main__' to tests missing it