code: def test_nonref_genotype_count(self, genotype, expected):
      variant = _var(ref="AC", alt=["A", "ACC"], genotype=genotype)
      actual = haplotypes._nonref_genotype_count(variant)
      self.assertEqual(actual, expected)
  
imports: import types
  from absl import flags
  from absl.testing import absltest
  from absl.testing import flagsaver
  from absl.testing import parameterized
  import numpy
  from third_party.nucleus.testing import test_utils
  from deepvariant import haplotypes
label_desc: Use image node_id 10 for calling the ResolveOverlappingVariantsTest obj's underlying member method code with example usage: obj.test_nonref_genotype_count(genotype, expected) without return types