Add missing test scenario

Author: antonwolfy

tests/test_indexing.py

@@ -778,8 +778,9 @@ def test_fill_diagonal(array, val):
 
 @pytest.mark.parametrize(
     "dimension",
-    [(1,), (2,), (1, 2), (2, 3), (3, 2), [1], [2], [1, 2], [2, 3], [3, 2]],
+    [(), (1,), (2,), (1, 2), (2, 3), (3, 2), [1], [2], [1, 2], [2, 3], [3, 2]],
     ids=[
+        "()",
         "(1, )",
         "(2, )",
         "(1, 2)",