Improved test case

MomIsBestFriend · MomIsBestFriend · commit 88468fa36044 · 2019-12-24T17:58:09.000+02:00
diff --git a/pandas/tests/scalar/timestamp/test_timestamp.py b/pandas/tests/scalar/timestamp/test_timestamp.py
@@ -712,6 +712,7 @@ def test_constructor_fromisocalendar(self):
         result = Timestamp.fromisocalendar(2000, 1, 1)
         assert result == expected_timestamp
         assert result == expected_stdlib
+        assert isinstance(result, Timestamp)
 
 
 class TestTimestamp:
