code: def test_broadcast_labels2(self, xp, scp, dtype):
      # 1d label will be broadcast to 2d
      image = self._make_image((16, 6), xp, dtype)
      labels = xp.asarray([1, 0, 2, 2, 2, 0], dtype=xp.int32)
      index = 2
      op = getattr(scp.ndimage, self.op)
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", _util.PerformanceWarning)
          result = op(image, labels, index)
      return result
  
imports: import sys
  import warnings
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupy import testing
  from cupy import _util
  from cupy._core import _accelerator
  import cupyx.scipy.ndimage
label_desc: Use image node_id 5 for calling the TestStats obj's underlying member method code with example usage: obj.test_broadcast_labels2(xp, scp, dtype) and returns: result