convert old fail* assertions to assert*
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index 340ae2f..9e5d5c1 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -546,15 +546,15 @@
         bottom = min(st1, st2, st3)
         top = max(st1, st2, st3)
         mid = sorted([st1, st2, st3])[1]
-        self.assert_(bottom < mid)
-        self.assert_(bottom < top)
-        self.assert_(mid < top)
-        self.assert_(bottom <= mid)
-        self.assert_(bottom <= top)
-        self.assert_(mid <= top)
-        self.assert_(bottom <= bottom)
-        self.assert_(mid <= mid)
-        self.assert_(top <= top)
+        self.assertTrue(bottom < mid)
+        self.assertTrue(bottom < top)
+        self.assertTrue(mid < top)
+        self.assertTrue(bottom <= mid)
+        self.assertTrue(bottom <= top)
+        self.assertTrue(mid <= top)
+        self.assertTrue(bottom <= bottom)
+        self.assertTrue(mid <= mid)
+        self.assertTrue(top <= top)
         # interaction with other types
         self.assertEquals(st1 == 1588.602459, False)
         self.assertEquals('spanish armada' != st2, True)