code: def test_span_field_raises_on_ill_defined_span(self):
      with pytest.raises(ValueError):
          _ = SpanField(4, 1, self.text)
  
file_path: allennlp/tests/data/fields/span_field_test.py
imports: import numpy
  import pytest
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data import Token
  from allennlp.data.fields import TextField, SpanField
  from allennlp.data.token_indexers import SingleIdTokenIndexer
label_desc: Use image node_id 4 for calling the TestSpanField obj's underlying member method code with example usage: obj.test_span_field_raises_on_ill_defined_span() without return types