code: def test_spec_aug_kernel_no_freq_time_mask(self):
      numba_utils.skip_numba_cuda_test_if_unsupported(
          __NUMBA_MINIMUM_VERSION__
      )
  
      cfg = get_cfg(seed=0)
      cfg.freq_masks = 0
      cfg.time_masks = 0
  
      data = prepare_data(**cfg)
  
      x, x_len, sh = data["x"], data["x_len"], data["sh"]
      x_copy = x.clone()
      launch_kernel(data, cfg)
  
      # Assert no data edits occured
      assert (data["x"] - x_copy).abs().mean() <= 1e-9
  
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 7 for calling the TestSpecAugmentNumba obj's underlying member method code with example usage: obj.test_spec_aug_kernel_no_freq_time_mask() without return types