convert usage of fail* to assert*
diff --git a/Lib/test/test_quopri.py b/Lib/test/test_quopri.py
index 56a793c..406e5fc 100644
--- a/Lib/test/test_quopri.py
+++ b/Lib/test/test_quopri.py
@@ -130,17 +130,17 @@
     @withpythonimplementation
     def test_encodestring(self):
         for p, e in self.STRINGS:
-            self.assert_(quopri.encodestring(p) == e)
+            self.assertTrue(quopri.encodestring(p) == e)
 
     @withpythonimplementation
     def test_decodestring(self):
         for p, e in self.STRINGS:
-            self.assert_(quopri.decodestring(e) == p)
+            self.assertTrue(quopri.decodestring(e) == p)
 
     @withpythonimplementation
     def test_idempotent_string(self):
         for p, e in self.STRINGS:
-            self.assert_(quopri.decodestring(quopri.encodestring(e)) == e)
+            self.assertTrue(quopri.decodestring(quopri.encodestring(e)) == e)
 
     @withpythonimplementation
     def test_encode(self):
@@ -148,7 +148,7 @@
             infp = cStringIO.StringIO(p)
             outfp = cStringIO.StringIO()
             quopri.encode(infp, outfp, quotetabs=False)
-            self.assert_(outfp.getvalue() == e)
+            self.assertTrue(outfp.getvalue() == e)
 
     @withpythonimplementation
     def test_decode(self):
@@ -156,23 +156,23 @@
             infp = cStringIO.StringIO(e)
             outfp = cStringIO.StringIO()
             quopri.decode(infp, outfp)
-            self.assert_(outfp.getvalue() == p)
+            self.assertTrue(outfp.getvalue() == p)
 
     @withpythonimplementation
     def test_embedded_ws(self):
         for p, e in self.ESTRINGS:
-            self.assert_(quopri.encodestring(p, quotetabs=True) == e)
-            self.assert_(quopri.decodestring(e) == p)
+            self.assertTrue(quopri.encodestring(p, quotetabs=True) == e)
+            self.assertTrue(quopri.decodestring(e) == p)
 
     @withpythonimplementation
     def test_encode_header(self):
         for p, e in self.HSTRINGS:
-            self.assert_(quopri.encodestring(p, header=True) == e)
+            self.assertTrue(quopri.encodestring(p, header=True) == e)
 
     @withpythonimplementation
     def test_decode_header(self):
         for p, e in self.HSTRINGS:
-            self.assert_(quopri.decodestring(e, header=True) == p)
+            self.assertTrue(quopri.decodestring(e, header=True) == p)
 
     def test_scriptencode(self):
         (p, e) = self.STRINGS[-1]