code: def freq_mask_check(x, x_len, f_start, f_len, mask_value, bidx):
      check_result = True
      for fidx in range(f_start, f_start + f_len):
          if not (x[bidx, fidx, :] == mask_value).all():
              check_result = False
              break
      assert check_result
  
file_path: NeMo/tests/collections/asr/numba/spec_augment/test_spec_aug_numba.py
imports: import pytest
  import torch
  from omegaconf import OmegaConf
  from nemo.collections.asr.parts.numba.spec_augment import spec_aug_numba
  from nemo.core.utils import numba_utils
  from nemo.core.utils.numba_utils import __NUMBA_MINIMUM_VERSION__
label_desc: Use image node_id 4 for calling a global function with example usage: freq_mask_check(x, x_len, f_start, f_len, mask_value, bidx) without return types