Added a comment to make it crystal clear that a weird test name is intended

theano/scalar/tests/test_basic.py

@@ -37,6 +37,7 @@ class test_ScalarOps(unittest.TestCase):
     #As we use theano.scalar normally, but we use theano.tensor.scalar
     #that is not important. Also this make the theano fct fail at call time
     #so this is not a silent bug.
+    # --> This is why it is purposedly named 'tes_mod' instead of 'test_mod'.
     def tes_mod(self):
         """
         We add this test as not all language and C implementation give the same