convert usage of fail* to assert*
diff --git a/Lib/test/test_tuple.py b/Lib/test/test_tuple.py
index 89cbe1d..6436412 100644
--- a/Lib/test/test_tuple.py
+++ b/Lib/test/test_tuple.py
@@ -11,7 +11,7 @@
         self.assertEqual(tuple(), ())
         t0_3 = (0, 1, 2, 3)
         t0_3_bis = tuple(t0_3)
-        self.assert_(t0_3 is t0_3_bis)
+        self.assertTrue(t0_3 is t0_3_bis)
         self.assertEqual(tuple([]), ())
         self.assertEqual(tuple([0, 1, 2, 3]), (0, 1, 2, 3))
         self.assertEqual(tuple(''), ())
@@ -19,8 +19,8 @@
 
     def test_truth(self):
         super(TupleTest, self).test_truth()
-        self.assert_(not ())
-        self.assert_((42, ))
+        self.assertTrue(not ())
+        self.assertTrue((42, ))
 
     def test_len(self):
         super(TupleTest, self).test_len()
@@ -33,14 +33,14 @@
         u = (0, 1)
         u2 = u
         u += (2, 3)
-        self.assert_(u is not u2)
+        self.assertTrue(u is not u2)
 
     def test_imul(self):
         super(TupleTest, self).test_imul()
         u = (0, 1)
         u2 = u
         u *= 3
-        self.assert_(u is not u2)
+        self.assertTrue(u is not u2)
 
     def test_tupleresizebug(self):
         # Check that a specific bug in _PyTuple_Resize() is squashed.
@@ -71,7 +71,7 @@
         inps = base + [(i, j) for i in base for j in xp] + \
                      [(i, j) for i in xp for j in base] + xp + zip(base)
         collisions = len(inps) - len(set(map(hash, inps)))
-        self.assert_(collisions <= 15)
+        self.assertTrue(collisions <= 15)
 
     def test_repr(self):
         l0 = tuple()