code: def test_momentum_zero():
      weight, bias, input = make_full_precision_params()
      optimizer = MADGRAD([weight, bias], lr=1e-3, momentum=0)
  
      step_test(optimizer, weight, bias, input)
  
file_path: madgrad/tests/test_madgrad.py
imports: import pytest
  import torch
  from madgrad import MADGRAD
label_desc: Use image node_id 9 for calling a global function with example usage: test_momentum_zero() without return types