code: def test_vizdoom(self):
      self.start_tests(name="vizdoom")
      self.unittest(
          environment=dict(
              environment="vizdoom", level="test/data/basic.cfg"
          ),
          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 7 for calling the TestEnvironments obj's underlying member method code with example usage: obj.test_vizdoom() without return types