code: def test_dense_sample(dtype):
      run_dense_sample(
          iterations=1,
          expected=[
              [0.9552786425, 1.9105572849],
              [2.9400000012, 3.9200000016],
          ],
          optimizer=NovoGrad(lr=0.1, epsilon=1e-8),
          dtype=dtype,
      )
  
file_path: addons/tensorflow_addons/optimizers/tests/novograd_test.py
imports: import numpy
  import pytest
  import tensorflow
  from tensorflow_addons.optimizers import NovoGrad
label_desc: Use image node_id 2 for calling a global function with example usage: test_dense_sample(dtype) without return types