code: def test_polynomial_scheduler(init_lr, max_iter, power):
      scheduler_tester(
          lrs.PolynomialScheduler,
          RefPolynomial,
          max_iter,
          [init_lr, max_iter, power],
      )
  
file_path: nnabla/python/test/utils/learning_rate_scheduler/test_polynomial_scheduler.py
imports: import pytest
  from learning_rate_scheduler_test_utils import scheduler_tester
  import nnabla.utils.learning_rate_scheduler
label_desc: Use image node_id 1 for calling a global function with example usage: test_polynomial_scheduler(init_lr, max_iter, power) without return types