code: def test_fail_getitem_negative_index(self):
      with pytest.raises(IndexError):
          self.c[-1]
  
file_path: Fiona/tests/test_non_counting_layer.py
imports: import unittest
  import pytest
  import fiona
  from fiona.errors import FionaDeprecationWarning
label_desc: Use image node_id 6 for calling the TestNonCountingLayer obj's underlying member method code with example usage: obj.test_fail_getitem_negative_index() without return types