new_contents: """
  Copyright 2015-2017 Knights Lab, Regents of the University of Minnesota.
  
  This software is released under the GNU Affero General Public License (AGPL) v3.0 License.
  """
  
  import unittest
  import pkg_resources
  import os
  from yaml import load
  
  from shogun.__main__ import _check_function_db
  
  class TestFunctionCheck(unittest.TestCase):
      def setUp(self):
          pass
  
      def tearDown(self):
          pass
  
      def test_read_taxonomy(self):
          database = pkg_resources.resource_filename('shogun.tests', os.path.join('data'))
          with open(os.path.join(database, 'metadata.yaml'), 'r') as stream:
              data_files = load(stream)
          results = _check_function_db(data_files, database)
          self.assertTrue(True)
          print(results)
  
subject: Update the test_function.