convert usage of fail* to assert*
diff --git a/Lib/test/test_errno.py b/Lib/test/test_errno.py
index 9523907..4adc1f0 100755
--- a/Lib/test/test_errno.py
+++ b/Lib/test/test_errno.py
@@ -14,13 +14,13 @@
     def test_for_improper_attributes(self):
         # No unexpected attributes should be on the module.
         for error_code in std_c_errors:
-            self.assert_(hasattr(errno, error_code),
+            self.assertTrue(hasattr(errno, error_code),
                             "errno is missing %s" % error_code)
 
     def test_using_errorcode(self):
         # Every key value in errno.errorcode should be on the module.
         for value in errno.errorcode.itervalues():
-            self.assert_(hasattr(errno, value), 'no %s attr in errno' % value)
+            self.assertTrue(hasattr(errno, value), 'no %s attr in errno' % value)
 
 
 class ErrorcodeTests(unittest.TestCase):
@@ -28,7 +28,7 @@
     def test_attributes_in_errorcode(self):
         for attribute in errno.__dict__.iterkeys():
             if attribute.isupper():
-                self.assert_(getattr(errno, attribute) in errno.errorcode,
+                self.assertTrue(getattr(errno, attribute) in errno.errorcode,
                              'no %s attr in errno.errorcode' % attribute)