code: def test_trim_internal():
      d = da.ones((40, 60), chunks=(10, 10))
      e = trim_internal(d, axes={0: 1, 1: 2}, boundary="reflect")
  
      assert e.chunks == ((8, 8, 8, 8), (6, 6, 6, 6, 6, 6))
  
imports: from __future__ import annotations
  import pytest
  import numpy
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  import dask.array
  from dask.array.lib.stride_tricks import sliding_window_view
  from dask.array.overlap import boundaries, constant, ensure_minimum_chunksize, nearest, overlap, overlap_internal, periodic, reflect, trim_internal
  from dask.array.utils import assert_eq, same_keys
label_desc: Use image node_id 4 for calling a global function with example usage: test_trim_internal() without return types