code: def test_russellrao_(self, xp, scp):
      a = self._make_matrix(xp, self.dtype, self.order)
      a[a < 0.5] = 0
      a[a >= 0.5] = 1
      out = scp.spatial.distance.russellrao(a, a)
      return xp.asarray(out)
  
imports: import unittest
  import pytest
  import numpy
  import cupy
  import cupyx.scipy.spatial.distance
  from cupy import testing
label_desc: Use image node_id 11 for calling the TestDistanceFunction obj's underlying member method code with example usage: obj.test_russellrao_(xp, scp) and returns: xp