old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """Test redefinition of colors."""
  
  import colorise
  import pytest
  
  
  @pytest.mark.skip_on_windows
  def test_redefine_colors_error():
      with pytest.raises(colorise.error.NotSupportedError):
          colorise.redefine_colors({})
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """Test redefinition of colors."""
  
  import colorise
  import pytest
  
  
  @pytest.mark.skip_on_windows
  def test_redefine_colors_error():
      assert not colorise.can_redefine_colors()
  
      with pytest.raises(colorise.error.NotSupportedError):
          colorise.redefine_colors({})
  
subject: Test color redefinition on nix