code: def test_default_type(single_with_trials):
      """Test that default type of image is used properly"""
      filename = "test_single_exp-v1_regret.png"
      with AssertNewFile(filename):
          returncode = orion.core.cli.main(
              ["plot", "regret", "--name", "test_single_exp"]
          )
          assert returncode == 0
  
imports: import random
  import pytest
  import orion.core.cli
  import orion.plotting.backend_plotly
  from orion.core.cli.plot import IMAGE_TYPES, VALID_TYPES
  from orion.plotting.base import SINGLE_EXPERIMENT_PLOTS
  from orion.storage.base import setup_storage
  from orion.testing import AssertNewFile
label_desc: Use image node_id 5 for calling a global function with example usage: test_default_type(single_with_trials) without return types