code: def test_call_variants_extra_args(
      self, call_variants_extra_args, expected_args
  ):
      FLAGS.model_type = "WGS"
      FLAGS.ref = "your_ref"
      FLAGS.sample_name_child = "your_sample_child"
      FLAGS.sample_name_parent1 = "your_sample_parent1"
      FLAGS.sample_name_parent2 = "your_sample_parent2"
      FLAGS.reads_child = "your_bam_child"
      FLAGS.reads_parent1 = "your_bam_parent1"
      FLAGS.reads_parent2 = "your_bam_parent2"
      FLAGS.output_vcf_child = "your_vcf_child"
      FLAGS.output_vcf_parent1 = "your_vcf_parent1"
      FLAGS.output_vcf_parent2 = "your_vcf_parent2"
      FLAGS.output_gvcf_child = "your_gvcf_child"
      FLAGS.output_gvcf_parent1 = "your_gvcf_parent1"
      FLAGS.output_gvcf_parent2 = "your_gvcf_parent2"
      FLAGS.num_shards = 64
      FLAGS.call_variants_extra_args = call_variants_extra_args
      commands, _, _ = self._create_all_commands_and_check_stdout()
  
      self.assertEqual(
          commands[1],
          "time /opt/deepvariant/bin/call_variants --outfile"
          ' "/tmp/deeptrio_tmp_output/call_variants_output_child.tfrecord.gz"'
          " --examples"
          ' "/tmp/deeptrio_tmp_output/make_examples_child.tfrecord@64.gz"'
          ' --checkpoint "/opt/models/deeptrio/wgs/child" %s'
          % expected_args,
      )
  
imports: import io
  from unittest import mock
  from absl import flags
  from absl.testing import absltest
  from absl.testing import flagsaver
  from absl.testing import parameterized
  from deepvariant.opensource_only.scripts import run_deeptrio
label_desc: Use image node_id 12 for calling the RunDeeptrioTest obj's underlying member method code with example usage: obj.test_call_variants_extra_args(call_variants_extra_args, expected_args) without return types