old_contents: import sys
  import unittest
  
  from PyQt5 import QtGui, QtWidgets
  
  # set up import paths
  import sas.qtgui.path_prepare
  
  # Local
  from sas.qtgui.Plotting.WindowTitle import WindowTitle
  
  if not QtWidgets.QApplication.instance():
      app = QtWidgets.QApplication(sys.argv)
  
  class WindowTitleTest(unittest.TestCase):
      '''Test the WindowTitle'''
      def setUp(self):
          '''Create the WindowTitle'''
          self.widget = WindowTitle(None, new_title="some title")
  
      def tearDown(self):
          '''Destroy the GUI'''
          self.widget.close()
          self.widget = None
  
      def testDefaults(self):
          '''Test the GUI in its default state'''
          self.widget.show()
          self.assertIsInstance(self.widget, QtWidgets.QDialog)
          self.assertEqual(self.widget.windowTitle(), "Modify Window Title")
          
      def testTitle(self):
          '''Modify the title'''
          self.widget.show()
          QtWidgets.qApp.processEvents()
          # make sure we have the pre-set title
          self.assertEqual(self.widget.txtTitle.text(), "some title")
          # Clear the control and set it to something else
          self.widget.txtTitle.clear()
          self.widget.txtTitle.setText("5 elephants")
          QtWidgets.qApp.processEvents()
          # Retrieve value
          new_title = self.widget.title()
          # Check
          self.assertEqual(new_title, "5 elephants")
         
  if __name__ == "__main__":
      unittest.main()
  
new_contents: import sys
  import unittest
  
  from PyQt5 import QtGui, QtWidgets
  
  # set up import paths
  import sas.qtgui.path_prepare
  
  # Local
  from sas.qtgui.Plotting.WindowTitle import WindowTitle
  
  if not QtWidgets.QApplication.instance():
      app = QtWidgets.QApplication(sys.argv)
  
  class WindowTitleTest(unittest.TestCase):
      '''Test the WindowTitle'''
      def setUp(self):
          '''Create the WindowTitle'''
          self.widget = WindowTitle(None, new_title="some title")
  
      def tearDown(self):
          '''Destroy the GUI'''
          self.widget.close()
          self.widget = None
  
      def testDefaults(self):
          '''Test the GUI in its default state'''
          self.widget.show()
          assert isinstance(self.widget, QtWidgets.QDialog)
          assert self.widget.windowTitle() == "Modify Window Title"
          
      def testTitle(self):
          '''Modify the title'''
          self.widget.show()
          QtWidgets.qApp.processEvents()
          # make sure we have the pre-set title
          assert self.widget.txtTitle.text() == "some title"
          # Clear the control and set it to something else
          self.widget.txtTitle.clear()
          self.widget.txtTitle.setText("5 elephants")
          QtWidgets.qApp.processEvents()
          # Retrieve value
          new_title = self.widget.title()
          # Check
          assert new_title == "5 elephants"
         
  if __name__ == "__main__":
      unittest.main()
  
subject: Change tests to asserts in WindowTitleTest.py