old_contents: import os
  from unittest import TestCase
  from servequnit.factory import ServerFactory
  from servequnit.tester import QunitSeleniumTester, TestFailedError
  
  class QunitSeleniumTesterTestCase(TestCase):
      def _make_tester(self, server, suffix=None):
          suffix = suffix or "oneshot/"
          url = server.url + suffix
          hub = "http://127.0.0.1:4444/wd/hub"
          tester = QunitSeleniumTester(url=url, hub=hub)
          return tester
  
      def test_passing_test_passes(self):
          passing = os.path.join(os.path.dirname(__file__), "data", "passes.js")
          factory = ServerFactory()
          factory.bind_script("test", passing)
          with factory.run() as server:
              tester = self._make_tester(server)
              tester.run()
  
      def test_failing_test_reports_failure(self):
          passing = os.path.join(os.path.dirname(__file__), "data", "fails.js")
          factory = ServerFactory()
          factory.bind_script("test", passing)
          with factory.run() as server:
              tester = self._make_tester(server)
              self.assertRaises(TestFailedError, tester.run)
  
new_contents: import os
  from unittest import TestCase
  from servequnit.factory import ServerFactory
  from servequnit.tester import QunitSeleniumTester, TestFailedError
  
  class QunitSeleniumTesterTestCase(TestCase):
      def _make_tester(self, server, suffix=None):
          suffix = suffix or "oneshot/"
          url = server.url + suffix
          hub = "http://127.0.0.1:4444/wd/hub"
          tester = QunitSeleniumTester(url=url, hub=hub)
          return tester
  
      def test_passing_test_passes(self):
          test_file = os.path.join(os.path.dirname(__file__), "data", "passes.js")
          factory = ServerFactory().bind_script("test", test_file)
          with factory.run() as server:
              tester = self._make_tester(server)
              tester.run()
  
      def test_failing_test_reports_failure(self):
          test_file = os.path.join(os.path.dirname(__file__), "data", "fails.js")
          factory = ServerFactory().bind_script("test", test_file)
          with factory.run() as server:
              tester = self._make_tester(server)
              self.assertRaises(TestFailedError, tester.run)
  
      def test_failing_test_reports_no_tests(self):
          factory = ServerFactory().bind_script("test", "/dev/null")
          with factory.run() as server:
              tester = self._make_tester(server)
              self.assertRaises(TestFailedError, tester.run)
  
subject: Test the an empty document results in a test failure.