remove missleading comment

Author: OlegShteynbuk

pandas_datareader/tests/yahoo/test_yahoo.py

@@ -133,7 +133,6 @@ def test_get_data_multiple_symbols(self):
 
     @skip_on_exception(RemoteDataError)
     def test_get_data_null_as_missing_data_no_adjust(self):
-        # just test that we succeed
         result = web.get_data_yahoo('SRCE', '20160626', '20160705',
                                     adjust_price=False)
         # sanity checking