TST GH27994 Add additional empty list-like objects to test.

Author: Mike Phung

pandas/tests/frame/methods/test_drop.py

@@ -269,7 +269,17 @@ def test_drop_non_empty_list(self, index, drop_labels):
         with pytest.raises(KeyError, match="not found in axis"):
             DataFrame(index=index).drop(drop_labels)
 
-    @pytest.mark.parametrize("empty_listlike", [[], DatetimeIndex([])])
+    @pytest.mark.parametrize(
+        "empty_listlike",
+        [
+            [],
+            {},
+            np.array([]),
+            Series([], dtype="datetime64[ns]"),
+            Index([]),
+            DatetimeIndex([]),
+        ],
+    )
     def test_drop_empty_listlike_non_unique_datetime_index(self, empty_listlike):
         # GH#27994
         data = {"column_a": [5, 10], "column_b": ["one", "two"]}