TST: Test Loc to set Multiple Items to multiple new columns (pandas-dev#42665)

* Modified ecosystem.rst to include ibis

* created a test for issue pandas-dev#25594

* Test for issue pandas-dev#25594

* reverted the changes

* Test Loc to set Multiple Items to multiple new columns - Changes Made

* Test Loc to set Multiple Items to multiple new columns - Changes made and linting addresssed

* TST: Test Loc to set Multiple Items to multiple new columns - Changes Made and pre-commit

* TST: test for issue pandas-dev#25594 - Changes made

* removed the check_dtype

Author: GYvan

pandas/tests/indexing/test_loc.py

@@ -2798,3 +2798,19 @@ def test_loc_setitem_dict_timedelta_multiple_set(self):
             [[Timedelta(6, unit="s"), "foo"]], columns=["time", "value"], index=[1]
         )
         tm.assert_frame_equal(result, expected)
+
+    def test_loc_set_multiple_items_in_multiple_new_columns(self):
+        # GH 25594
+        df = DataFrame(index=[1, 2], columns=["a"])
+        df.loc[1, ["b", "c"]] = [6, 7]
+
+        expected = DataFrame(
+            {
+                "a": Series([np.nan, np.nan], dtype="object"),
+                "b": [6, np.nan],
+                "c": [7, np.nan],
+            },
+            index=[1, 2],
+        )
+
+        tm.assert_frame_equal(df, expected)