code: def test_ignore_index_name_and_type(self):
      # GH 17440
      index = Index(["foo", "bar"], dtype="category", name="baz")
      df = DataFrame({"x": [0, 1], "y": [2, 3]}, index=index)
      result = melt(df, ignore_index=False)
  
      expected_index = Index(
          ["foo", "bar"] * 2, dtype="category", name="baz"
      )
      expected = DataFrame(
          {"variable": ["x", "x", "y", "y"], "value": [0, 1, 2, 3]},
          index=expected_index,
      )
  
      tm.assert_frame_equal(result, expected)
  
imports: import re
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, date_range, lreshape, melt, wide_to_long
  import pandas._testing
label_desc: Use image node_id 21 for calling the TestMelt obj's underlying member method code with example usage: obj.test_ignore_index_name_and_type() without return types