code: def test_range_index_rsub_by_const(self):
      # GH#53255
      result = 3 - RangeIndex(0, 4, 1)
      expected = RangeIndex(3, -1, -1)
      tm.assert_index_equal(result, expected)
  
imports: import numpy
  import pytest
  from pandas.core.dtypes.common import ensure_platform_int
  import pandas
  from pandas import Index, RangeIndex
  import pandas._testing
label_desc: Use image node_id 42 for calling the TestRangeIndex obj's underlying member method code with example usage: obj.test_range_index_rsub_by_const() without return types