code: def test_get_bool_field(self, value, is_single_field, expected):
      key = "field"
      field_map = _set_protomap_from_dict({})
      struct_utils.set_bool_field(field_map, key, value)
      actual = struct_utils.get_bool_field(
          field_map, key, is_single_field
      )
      self.assertEqual(actual, expected)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import sys
  from absl.testing import absltest
  from absl.testing import parameterized
  from third_party.nucleus.protos import struct_pb2
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.util import struct_utils
label_desc: Use image node_id 12 for calling the StructUtilsTest obj's underlying member method code with example usage: obj.test_get_bool_field(value, is_single_field, expected) without return types