Use lowercase true/false in assertTrue/assertFalse messages.
diff --git a/Lib/unittest/test/test_assertions.py b/Lib/unittest/test/test_assertions.py
index df2e89e..c81db24 100644
--- a/Lib/unittest/test/test_assertions.py
+++ b/Lib/unittest/test/test_assertions.py
@@ -166,13 +166,13 @@
 
     def testAssertTrue(self):
         self.assertMessages('assertTrue', (False,),
-                            ["^False is not True$", "^oops$", "^False is not True$",
-                             "^False is not True : oops$"])
+                            ["^False is not true$", "^oops$", "^False is not true$",
+                             "^False is not true : oops$"])
 
     def testAssertFalse(self):
         self.assertMessages('assertFalse', (True,),
-                            ["^True is not False$", "^oops$", "^True is not False$",
-                             "^True is not False : oops$"])
+                            ["^True is not false$", "^oops$", "^True is not false$",
+                             "^True is not false : oops$"])
 
     def testNotEqual(self):
         self.assertMessages('assertNotEqual', (1, 1),