code: def test_quantize_gvcfs(self, gq_resolution, expecteds):
      # Each count tuple is n_alt, n_ref, ref_base.
      # The third, fourth, and the fifth ones should never be merged, since
      # either het or hom_alt has bigger GL than hom_ref.
      counts = [
          (0, 18, "A"),
          (0, 19, "C"),
          (35, 0, "A"),
          (10, 10, "T"),
          (4, 12, "A"),
          (1, 30, "A"),
          (1, 34, "C"),
          (0, 20, "T"),
          (0, 19, "G"),
      ]
      allele_counts = self.fake_allele_counter(
          1, counts
      ).summary_counts()
      caller = PlaceholderVariantCaller(0.01, 100, gq_resolution)
      gvcfs = list(
          caller.make_gvcfs(allele_counts, include_med_dp=True)
      )
      self.assertLen(gvcfs, len(expecteds))
      for actual, expected in zip(gvcfs, expecteds):
          self.assertGVCF(actual, **expected)
  
imports: from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import numpy.testing
  from third_party.nucleus.util import variant_utils
  from third_party.nucleus.util import variantcall_utils
  from deepvariant import testdata
  from deepvariant import variant_caller
  from deepvariant.protos import deepvariant_pb2
label_desc: Use image node_id 10 for calling the VariantCallerTests obj's underlying member method code with example usage: obj.test_quantize_gvcfs(gq_resolution, expecteds) without return types