code: def enable_mlflow_testing():
      with pytest.MonkeyPatch.context() as mp:
          mp.setenv(_MLFLOW_TESTING.name, "TRUE")
          yield
  
imports: import json
  import os
  import posixpath
  import shutil
  import subprocess
  import sys
  import click
  import pytest
  from mlflow.environment_variables import _MLFLOW_TESTING, MLFLOW_TRACKING_URI
  from mlflow.version import VERSION
  from tests.helper_functions import get_safe_port
label_desc: Use image node_id 13 for calling a global function with example usage: enable_mlflow_testing() without return types