code: def test_add_total_steps_counter_non_zero():
      counter = TotalStepsCounter()
      counter[EnvironmentSteps] += 10
      steps = counter + EnvironmentSteps(10)
      assert steps.num_steps == 20
  
file_path: coach/rl_coach/tests/test_core_types.py
imports: from rl_coach.core_types import TotalStepsCounter, EnvironmentSteps, EnvironmentEpisodes, StepMethod, EnvironmentSteps, EnvironmentEpisodes
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_add_total_steps_counter_non_zero() without return types