Change expected dataframe

Author: mroeschke

pandas/tests/frame/test_timeseries.py

@@ -371,12 +371,14 @@ def test_datetime_assignment_with_NaT_and_diff_time_units(self):
         data_ns = np.array([1, 'nat'], dtype='datetime64[ns]')
         result = pd.Series(data_ns).to_frame()
         result['new'] = data_ns
-        expected = pd.DataFrame({0: data_ns, 'new': data_ns})
+        expected = pd.DataFrame({0: [1, None],
+                                'new': [1, None]}, dtype='datetime64[ns]')
         tm.assert_frame_equal(result, expected)
         # OutOfBoundsDatetime error shouldn't occur
         data_s = np.array([1, 'nat'], dtype='datetime64[s]')
         result['new'] = data_s
-        expected = pd.DataFrame({0: data_ns, 'new': data_s})
+        expected = pd.DataFrame({0: [1, None],
+                                'new': [1e9, None]}, dtype='datetime64[ns]')
         tm.assert_frame_equal(result, expected)