diff --git a/OpenSSL/test/util.py b/OpenSSL/test/util.py
index 21bbdc4..4260eb0 100644
--- a/OpenSSL/test/util.py
+++ b/OpenSSL/test/util.py
@@ -227,7 +227,7 @@
     failIfIn = assertNotIn
 
 
-    def failUnlessIdentical(self, first, second, msg=None):
+    def assertIs(self, first, second, msg=None):
         """
         Fail the test if :py:data:`first` is not :py:data:`second`.  This is an
         obect-identity-equality test, not an object equality
@@ -239,10 +239,10 @@
         if first is not second:
             raise self.failureException(msg or '%r is not %r' % (first, second))
         return first
-    assertIdentical = failUnlessIdentical
+    assertIdentical = failUnlessIdentical = assertIs
 
 
-    def failIfIdentical(self, first, second, msg=None):
+    def assertIsNot(self, first, second, msg=None):
         """
         Fail the test if :py:data:`first` is :py:data:`second`.  This is an
         obect-identity-equality test, not an object equality
@@ -254,7 +254,7 @@
         if first is second:
             raise self.failureException(msg or '%r is %r' % (first, second))
         return first
-    assertNotIdentical = failIfIdentical
+    assertNotIdentical = failIfIdentical = assertIsNot
 
 
     def failUnlessRaises(self, exception, f, *args, **kwargs):