old_contents: import os
  
  from pipenv.project import Project
  
  import pytest
  
  
  # This module is run only on Windows.
  pytestmark = pytest.mark.skipif(os.name == 'nt', reason="only relevant on windows")
  
  
  @pytest.mark.project
  def test_case_changes_windows(PipenvInstance, pypi):
      """Test project matching for case changes on Windows.
      """
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install pytz')
          assert c.return_code == 0
  
          virtualenv_location = Project().virtualenv_location
          target = p.path.upper()
          if target == p.path:
              target = p.path.lower()
          os.chdir('..')
          os.chdir(target)
          assert os.path.abspath(os.curdir) != p.path
  
          venv = p.pipenv('--venv').out
          assert venv.strip().lower() == virtualenv_location.lower()
  
new_contents: import os
  
  from pipenv.project import Project
  
  import pytest
  
  
  # This module is run only on Windows.
  pytestmark = pytest.mark.skipif(os.name != 'nt', reason="only relevant on windows")
  
  
  @pytest.mark.project
  def test_case_changes_windows(PipenvInstance, pypi):
      """Test project matching for case changes on Windows.
      """
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install pytz')
          assert c.return_code == 0
  
          virtualenv_location = Project().virtualenv_location
          target = p.path.upper()
          if target == p.path:
              target = p.path.lower()
          os.chdir('..')
          os.chdir(target)
          assert os.path.abspath(os.curdir) != p.path
  
          venv = p.pipenv('--venv').out
          assert venv.strip().lower() == virtualenv_location.lower()
  
subject: Fix Windows test marker