code: def test_make_range(self):
      interval = ranges.make_range("chr1", 1, 10)
      self.assertEqual(interval.reference_name, "chr1")
      self.assertEqual(interval.start, 1)
      self.assertEqual(interval.end, 10)
  
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 13 for calling the RangesTests obj's underlying member method code with example usage: obj.test_make_range() without return types