code: def test_ale(self):
      self.start_tests(name="ale")
      self.unittest(
          environment=dict(
              environment="ale", level="test/data/Breakout.bin"
          ),
          num_episodes=2,
      )
  
file_path: tensorforce/test/test_environments.py
imports: import pytest
  import unittest
  from test.unittest_base import UnittestBase
label_desc: Use image node_id 1 for calling the TestEnvironments obj's underlying member method code with example usage: obj.test_ale() without return types