code: def test_constructor_unwraps_index(self):
      result = RangeIndex(1, 3)
      expected = np.array([1, 2], dtype=np.int64)
      tm.assert_numpy_array_equal(result._data, 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 2 for calling the TestRangeIndex obj's underlying member method code with example usage: obj.test_constructor_unwraps_index() without return types