code: def test_trim_front_zeros(self, xp, dtype):
      a = xp.array([0, 0, 4, 1, 0, 2, 3, 0, 5], dtype=dtype)
      return xp.trim_zeros(a, trim=self.trim)
  
imports: import unittest
  import pytest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 4 for calling the TestTrim_zeros obj's underlying member method code with example usage: obj.test_trim_front_zeros(xp, dtype) and returns: xp