code: def pytest_generate_tests(metafunc):
      if "scm_context" in metafunc.fixturenames:
          metafunc.parametrize(
              "scm_context", ["scm", "no_scm"], indirect=True
          )
  
file_path: dvc/tests/unit/repo/test_scm_context.py
imports: import re
  import pytest
  from dvc.repo.scm_context import SCMContext
  from dvc.scm import Git, NoSCM
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_generate_tests(metafunc) without return types