Issue 7911: unittest.TestCase.longMessage defaults to True for improved failure messages by default
diff --git a/Lib/unittest/test/test_assertions.py b/Lib/unittest/test/test_assertions.py
index 0ee7edb..69572ee 100644
--- a/Lib/unittest/test/test_assertions.py
+++ b/Lib/unittest/test/test_assertions.py
@@ -127,7 +127,7 @@
         self.testableFalse = TestableTestFalse('testTest')
 
     def testDefault(self):
-        self.assertFalse(unittest.TestCase.longMessage)
+        self.assertTrue(unittest.TestCase.longMessage)
 
     def test_formatMsg(self):
         self.assertEqual(self.testableFalse._formatMessage(None, "foo"), "foo")