code: def test_table_ellipsis_slice_key_gender(self):
      sliced = self.table["M", ...]
      if not all(el == "M" for el in sliced.dimension_values("Gender")):
          raise AssertionError("Table key slicing on 'Gender' failed.")
  
imports: import numpy
  import holoviews
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 4 for calling the TestEllipsisTable obj's underlying member method code with example usage: obj.test_table_ellipsis_slice_key_gender() without return types