convert usage of fail* to assert*
diff --git a/Lib/test/test_augassign.py b/Lib/test/test_augassign.py
index dbf71bc..24aa2b7 100644
--- a/Lib/test/test_augassign.py
+++ b/Lib/test/test_augassign.py
@@ -71,7 +71,7 @@
         y[1:2] += [1]
 
         self.assertEquals(x, [1, 2, 1, 2, 3])
-        self.assert_(x is y)
+        self.assertTrue(x is y)
 
     def testCustomMethods1(self):
 
@@ -96,23 +96,23 @@
         y = x
         x += 10
 
-        self.assert_(isinstance(x, aug_test))
-        self.assert_(y is not x)
+        self.assertTrue(isinstance(x, aug_test))
+        self.assertTrue(y is not x)
         self.assertEquals(x.val, 11)
 
         x = aug_test2(2)
         y = x
         x += 10
 
-        self.assert_(y is x)
+        self.assertTrue(y is x)
         self.assertEquals(x.val, 12)
 
         x = aug_test3(3)
         y = x
         x += 10
 
-        self.assert_(isinstance(x, aug_test3))
-        self.assert_(y is not x)
+        self.assertTrue(isinstance(x, aug_test3))
+        self.assertTrue(y is not x)
         self.assertEquals(x.val, 13)