convert old fail* assertions to assert*
diff --git a/Lib/test/test_pep277.py b/Lib/test/test_pep277.py
index e18f602..11039ac 100644
--- a/Lib/test/test_pep277.py
+++ b/Lib/test/test_pep277.py
@@ -82,8 +82,8 @@
                                 sys.getfilesystemencoding()))
         sf2 = set("\\".join((str(support.TESTFN), f))
                   for f in f2)
-        self.failUnlessEqual(len(f1), len(self.files))
-        self.failUnlessEqual(sf2, set(self.files))
+        self.assertEqual(len(f1), len(self.files))
+        self.assertEqual(sf2, set(self.files))
 
     def test_rename(self):
         for name in self.files: