"Test scrolledlist, coverage 38%." from idlelib.scrolledlist import ScrolledList import unittest from test.support import requires requires('gui') from tkinter import Tk class ScrolledListTest(unittest.TestCase): @classmethod def setUpClass(cls): cls.root = Tk() @classmethod def tearDownClass(cls): cls.root.destroy() del cls.root def test_init(self): ScrolledList(self.root) if __name__ == '__main__': unittest.main(verbosity=2)