code: def test_bf16_test_node_excluding():
      amp_common_tests.test_amp_node_excluding(AMP_DTYPE)
  
file_path: mxnet/tests/python/dnnl/test_amp.py
imports: import sys
  from pathlib import Path
  import pytest
  import mxnet
  import amp.common
  from mxnet.test_utils import assert_almost_equal
  from mxnet.amp.lists.symbol_bf16 import BF16_FUNCS, BF16_FP32_FUNCS, WIDEST_TYPE_CASTS, CONDITIONAL_FP32_FUNCS
  from op_cfg import get_op_cfg_generator, get_symblock_from_args_scenario, CFG_RTOL_ATOL
label_desc: Use image node_id 6 for calling a global function with example usage: test_bf16_test_node_excluding() without return types