code: def test_trimseq_zeros(self, xp, dtype):
      a = xp.zeros(10, dtype)
      b = xp.polynomial.polyutils.trimseq(a)
      assert xp.shares_memory(a[:1], b) is True
      return b
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestTrimseq obj's underlying member method code with example usage: obj.test_trimseq_zeros(xp, dtype) and returns: b