code: def test_glob(self):
      g1 = gfile.Glob(test_utils.genomics_core_testdata("test*"))
      self.assertGreater(len(g1), 1)
      self.assertIn(test_utils.genomics_core_testdata("test.bam"), g1)
      g2 = gfile.Glob(
          test_utils.genomics_core_testdata("does_not_exist*")
      )
      self.assertEqual([], g2)
  
file_path: deepvariant/third_party/nucleus/io/gfile_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  from third_party.nucleus.io import gfile
  from third_party.nucleus.testing import test_utils
label_desc: Use image node_id 2 for calling the GfileTest obj's underlying member method code with example usage: obj.test_glob() without return types