Formatting and removing test

pandas/tests/frame/methods/test_update.py

@@ -168,35 +168,11 @@ def test_update_modify_view(self, using_copy_on_write):
  tm.assert_frame_equal(result_view, expected)
 
  def test_update_dt_column_with_NaT_create_column(self):
- df = DataFrame(
- {
- "A": [1, None],
- "B": [
- pd.NaT,
- pd.to_datetime("2016-01-01"),
- ],
- }
- )
+ # GH#16713
+ df = DataFrame({"A": [1, None], "B": [pd.NaT, pd.to_datetime("2016-01-01")]})
  df2 = DataFrame({"A": [2, 3]})
-
  df.update(df2, overwrite=False)
-
  expected = DataFrame(
  {"A": [1.0, 3.0], "B": [pd.NaT, pd.to_datetime("2016-01-01")]}
  )
-
- tm.assert_frame_equal(df, expected)
-
- def test_update_dt_column_with_NaT_create_row(self):
-
- df = DataFrame({"A": [1, None], "B": [pd.to_datetime("2017-1-1"), pd.NaT]})
-
- df2 = DataFrame({"A": [2], "B": [pd.to_datetime("2016-01-01")]})
-
- df.update(df2, overwrite=False)
-
- expected = DataFrame(
- {"A": [1, None], "B": [pd.to_datetime("2017-1-1"), pd.NaT]}
- )
-
  tm.assert_frame_equal(df, expected)