code: def _filter(self, xp, scp, x):
      filter = getattr(scp.ndimage, self.filter)
      ndim = len(self.shape)
      structure = scp.ndimage.generate_binary_structure(ndim, 1)
      return filter(
          x,
          structure,
          iterations=self.iterations,
          mask=None,
          output=None,
          border_value=0,
          origin=0,
          brute_force=True,
      )
  
imports: import numpy
  import pytest
  from cupy import testing
  import cupyx.scipy.ndimage
label_desc: Use image node_id 1 for calling the TestBinaryErosionAndDilationContiguity obj's underlying member method code with example usage: obj._filter(xp, scp, x) and returns: filter