code: def assertContigsAreEqual(self, actual, expected):
      self.assertEqual(actual.name, expected.name)
      self.assertEqual(actual.n_bases, expected.n_bases)
      self.assertEqual(actual.pos_in_fasta, expected.pos_in_fasta)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  from absl.testing import parameterized
  import six
  from third_party.nucleus.io import fasta
  from third_party.nucleus.io.python import reference
  from third_party.nucleus.testing import test_utils
  from third_party.nucleus.util import ranges
label_desc: Use image node_id 6 for calling the InMemoryFastaReaderTests obj's underlying member method code with example usage: obj.assertContigsAreEqual(actual, expected) without return types