Serhiy: entry=entry as much as any name=expression pair to print the value of variable entry on test failure, either "entry=<tkinter.Entry object .58910800>)" or "entry=<tkinter.ttk.Entry object .58911024>)", as in
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FAIL: test_paste_entry (__main__.PasteTest) (ans='two', end='end', entry=<tkinter.ttk.Entry object .58911024>)
Test pasting into an entry with and without a selection.
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Traceback (most recent call last):
File "F:\Python\dev\36\lib\idlelib\idle_test\test_editmenu.py", line 53, in test_paste_entry
self.assertTrue(False)
AssertionError: False is not true