code: def test_iterate(self, fasta_filename):
      # Check the indexed fasta file's iterable matches that of the unindexed
      # fasta file.
      indexed_fasta_reader = fasta.IndexedFastaReader(
          test_utils.genomics_core_testdata(fasta_filename)
      )
      unindexed_fasta_reader = fasta.UnindexedFastaReader(
          test_utils.genomics_core_testdata(fasta_filename)
      )
      self.assertEqual(
          list(indexed_fasta_reader.iterate()),
          list(unindexed_fasta_reader.iterate()),
      )
  
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 2 for calling the UnindexedFastaReaderTests obj's underlying member method code with example usage: obj.test_iterate(fasta_filename) without return types