convert usage of fail* to assert*
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index cbf844f..f1f9d38 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -10,7 +10,7 @@
     # checksum test cases
     def test_crc32start(self):
         self.assertEqual(zlib.crc32(""), zlib.crc32("", 0))
-        self.assert_(zlib.crc32("abc", 0xffffffff))
+        self.assertTrue(zlib.crc32("abc", 0xffffffff))
 
     def test_crc32empty(self):
         self.assertEqual(zlib.crc32("", 0), 0)
@@ -19,7 +19,7 @@
 
     def test_adler32start(self):
         self.assertEqual(zlib.adler32(""), zlib.adler32("", 1))
-        self.assert_(zlib.adler32("abc", 0xffffffff))
+        self.assertTrue(zlib.adler32("abc", 0xffffffff))
 
     def test_adler32empty(self):
         self.assertEqual(zlib.adler32("", 0), 0)
@@ -208,7 +208,7 @@
         while cb:
             #max_length = 1 + len(cb)//10
             chunk = dco.decompress(cb, dcx)
-            self.failIf(len(chunk) > dcx,
+            self.assertFalse(len(chunk) > dcx,
                     'chunk too big (%d>%d)' % (len(chunk), dcx))
             bufs.append(chunk)
             cb = dco.unconsumed_tail
@@ -233,7 +233,7 @@
         while cb:
             max_length = 1 + len(cb)//10
             chunk = dco.decompress(cb, max_length)
-            self.failIf(len(chunk) > max_length,
+            self.assertFalse(len(chunk) > max_length,
                         'chunk too big (%d>%d)' % (len(chunk),max_length))
             bufs.append(chunk)
             cb = dco.unconsumed_tail
@@ -242,7 +242,7 @@
         else:
             while chunk:
                 chunk = dco.decompress('', max_length)
-                self.failIf(len(chunk) > max_length,
+                self.assertFalse(len(chunk) > max_length,
                             'chunk too big (%d>%d)' % (len(chunk),max_length))
                 bufs.append(chunk)
         self.assertEqual(data, ''.join(bufs), 'Wrong data retrieved')
@@ -316,7 +316,7 @@
         # caused a core dump.)
 
         co = zlib.compressobj(zlib.Z_BEST_COMPRESSION)
-        self.failUnless(co.flush())  # Returns a zlib header
+        self.assertTrue(co.flush())  # Returns a zlib header
         dco = zlib.decompressobj()
         self.assertEqual(dco.flush(), "") # Returns nothing