new_contents: import pytest
  
  
  @pytest.fixture(scope="session", params=["defcon", "ufoLib2"])
  def ufo_module(request):
      return pytest.importorskip(request.param)
  
  
  @pytest.fixture(scope="session")
  def FontClass(ufo_module):
      if hasattr(ufo_module.Font, "open"):
  
          def ctor(path=None):
              if path is None:
                  return ufo_module.Font()
              else:
                  return ufo_module.Font.open(path)
  
          return ctor
      return ufo_module.Font
  
subject: Add conftest.py