old_contents: # -*- coding: utf-8 -*-
  """Testing the functions in typhon.arts.
  """
  import shutil
  
  import pytest
  
  from typhon import arts
  
  
  class TestPlots:
      """Testing the plot functions."""
      @pytest.mark.skipif(not shutil.which('arts'), reason='arts not in PATH')
      def test_run_arts(self):
          """Test ARTS system call.
  
          Note: This test is only run, if ARTS is found in PATH.
          """
          arts_out = arts.run_arts(help=True)
  
          assert arts_out.retcode == 0
  
new_contents: # -*- coding: utf-8 -*-
  """Testing the functions in typhon.arts.
  """
  import shutil
  
  import pytest
  
  from typhon import arts
  
  
  class TestARTS:
      """Testing the ARTS utility functions."""
      @pytest.mark.skipif(not shutil.which('arts'), reason='arts not in PATH')
      def test_run_arts(self):
          """Test ARTS system call.
  
          Note: This test is only run, if ARTS is found in PATH.
          """
          arts_out = arts.run_arts(help=True)
  
          assert arts_out.retcode == 0
  
subject: Fix name and description of ARTS tests.