code: def test_without_interaction():
      ctr = _test_helper(
          vw_arg="--cb_explore_adf --quiet --epsilon 0.2 --random_seed 5",
          num_iterations=4000,
      )
  
      assert ctr[-1] <= 0.49
      assert ctr[-1] >= 0.38
  
imports: import vowpalwabbit
  from distributionally_robust_data import OnlineCressieRead
  import collections
  import os
  import random
  import os
label_desc: Use image node_id 4 for calling a global function with example usage: test_without_interaction() without return types