code: def test_make_examples_extra_args_invalid(self):
      FLAGS.model_type = "WGS"
      FLAGS.ref = "your_ref"
      FLAGS.reads_tumor = "your_tumor_bam"
      FLAGS.reads_normal = "your_normal_bam"
      FLAGS.output_vcf = "your_vcf"
      FLAGS.output_gvcf = "your_gvcf"
      FLAGS.num_shards = 64
      FLAGS.make_examples_extra_args = "keep_secondary_alignments"
      FLAGS.customized_model = "/opt/models/wgs/model.ckpt"
      with self.assertRaisesRegex(
          ValueError, "not enough values to unpack"
      ):
          _ = run_deepsomatic.create_all_commands_and_logfiles(
              "/tmp/deepsomatic_tmp_output", used_in_test=True
          )
  
file_path: deepvariant/scripts/run_deepsomatic_test.py
imports: 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_deepsomatic
label_desc: Use image node_id 7 for calling the RunDeepSomaticTest obj's underlying member method code with example usage: obj.test_make_examples_extra_args_invalid() without return types