diff --git a/tests/test_tradingcalendar.py b/tests/test_tradingcalendar.py
index c5a43227..4ea8e498 100644
--- a/tests/test_tradingcalendar.py
+++ b/tests/test_tradingcalendar.py
@@ -26,7 +26,6 @@ from nose.tools import nottest
 
 class TestTradingCalendar(TestCase):
 
-    @nottest
     def test_calendar_vs_environment(self):
         """
         test_calendar_vs_environment checks whether the