code: def setUp(self, steps, decay, end_epsilon, start_epsilon):
      self.steps = steps
      self.decay = decay
      self.end_epsilon = end_epsilon
      self.start_epsilon = start_epsilon
  
file_path: pfrl/tests/explorers_tests/test_epsilon_greedy.py
imports: import logging
  import pytest
  from pfrl.explorers import epsilon_greedy
label_desc: Use image node_id 1 for calling the TestExponentialDecayEpsilonGreedy obj's underlying member method code with example usage: obj.setUp(steps, decay, end_epsilon, start_epsilon) without return types