code: def test_delete(self):
      a1 = sample1
      a71 = a1.delete_field_at_indices("x", [0])
      a72 = a1.delete_field_at_indices("x", [0, [2, 4], len(a1.x) - 1])
      self.assertEqual(
          a71.dump(),
          {
              "doc_key": "doc_key1",
              "sentences": [
                  ["love", "my", "pet", "Anna", "."],
                  ["She", "is", "my", "favorite", "."],
              ],
              "speakers": [
                  ["sp1", "sp1", "sp1", "sp1", "sp1"],
                  ["sp1", "sp1", "sp1", "sp1", "sp1"],
              ],
              "clusters": [[[1, 2], [3, 3], [5, 5]]],
              "constituents": [
                  [0, 0, "1-love-C"],
                  [1, 1, "2-my-C"],
                  [2, 2, "3-pet-C"],
                  [3, 3, "4-Anna-C"],
                  [4, 4, "5-.-C"],
                  [5, 5, "6-She-C"],
                  [6, 6, "7-is-C"],
                  [7, 7, "8-my-C"],
                  [8, 8, "9-favorite-C"],
                  [9, 9, "10-.-C"],
              ],
              "ner": [
                  [0, 0, "1-love-N"],
                  [1, 1, "2-my-N"],
                  [2, 2, "3-pet-N"],
                  [3, 3, "4-Anna-N"],
                  [4, 4, "5-.-N"],
                  [5, 5, "6-She-N"],
                  [6, 6, "7-is-N"],
                  [7, 7, "8-my-N"],
                  [8, 8, "9-favorite-N"],
                  [9, 9, "10-.-N"],
              ],
              "sample_id": None,
          },
      )
      self.assertEqual(
          a72.dump(),
          {
              "doc_key": "doc_key1",
              "sentences": [
                  ["love", "Anna", "."],
                  ["She", "is", "my", "favorite"],
              ],
              "speakers": [
                  ["sp1", "sp1", "sp1"],
                  ["sp1", "sp1", "sp1", "sp1"],
              ],
              "clusters": [[[1, 1], [3, 3]]],
              "constituents": [
                  [0, 0, "1-love-C"],
                  [1, 1, "4-Anna-C"],
                  [2, 2, "5-.-C"],
                  [3, 3, "6-She-C"],
                  [4, 4, "7-is-C"],
                  [5, 5, "8-my-C"],
                  [6, 6, "9-favorite-C"],
              ],
              "ner": [
                  [0, 0, "1-love-N"],
                  [1, 1, "4-Anna-N"],
                  [2, 2, "5-.-N"],
                  [3, 3, "6-She-N"],
                  [4, 4, "7-is-N"],
                  [5, 5, "8-my-N"],
                  [6, 6, "9-favorite-N"],
              ],
              "sample_id": None,
          },
      )
  
file_path: textflint/test/input/component/sample/test_coref_sample.py
imports: from textflint.input.component.sample.coref_sample import *
  import unittest
  import random
  from test.data.coref_debug import CorefDebug
label_desc: Use image node_id 9 for calling the TestCorefSample obj's underlying member method code with example usage: obj.test_delete() without return types