code: def test_make_position(self):
      self.assertEqual(
          ranges.make_position("chr1", 10),
          position_pb2.Position(
              reference_name="chr1", position=10, reverse_strand=False
          ),
      )
      self.assertEqual(
          ranges.make_position("chr2", 100, reverse_strand=True),
          position_pb2.Position(
              reference_name="chr2", position=100, reverse_strand=True
          ),
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  import mock
  from third_party.nucleus.protos import position_pb2
  from third_party.nucleus.protos import reference_pb2
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.testing import test_utils
  from third_party.nucleus.util import ranges
label_desc: Use image node_id 12 for calling the RangesTests obj's underlying member method code with example usage: obj.test_make_position() without return types