class_docstr: Ensure symbol is preserved for numeric operations on polynomials with
  the same symbol
code: def test_rdivmod(self, rhs):
      for out in divmod(rhs, self.p):
          assert_equal(out.symbol, "z")
  
imports: import pytest
  import numpy.polynomial
  from numpy._core import array
  from numpy.testing import assert_equal, assert_raises, assert_
label_desc: Use image node_id 8 for calling the TestBinaryOperatorsSameSymbol obj's underlying member method code with example usage: obj.test_rdivmod(rhs) without return types