convert old fail* assertions to assert*
diff --git a/Lib/test/test_urllibnet.py b/Lib/test/test_urllibnet.py
index e2c8af3..63e061a 100644
--- a/Lib/test/test_urllibnet.py
+++ b/Lib/test/test_urllibnet.py
@@ -62,10 +62,10 @@
         open_url = self.urlopen("http://www.python.org/")
         for attr in ("read", "readline", "readlines", "fileno", "close",
                      "info", "geturl"):
-            self.assert_(hasattr(open_url, attr), "object returned from "
+            self.assertTrue(hasattr(open_url, attr), "object returned from "
                             "urlopen lacks the %s attribute" % attr)
         try:
-            self.assert_(open_url.read(), "calling 'read' failed")
+            self.assertTrue(open_url.read(), "calling 'read' failed")
         finally:
             open_url.close()
 
@@ -73,9 +73,9 @@
         # Test both readline and readlines.
         open_url = self.urlopen("http://www.python.org/")
         try:
-            self.assert_(isinstance(open_url.readline(), bytes),
+            self.assertTrue(isinstance(open_url.readline(), bytes),
                          "readline did not return bytes")
-            self.assert_(isinstance(open_url.readlines(), list),
+            self.assertTrue(isinstance(open_url.readlines(), list),
                          "readlines did not return a list")
         finally:
             open_url.close()
@@ -87,7 +87,7 @@
             info_obj = open_url.info()
         finally:
             open_url.close()
-            self.assert_(isinstance(info_obj, email.message.Message),
+            self.assertTrue(isinstance(info_obj, email.message.Message),
                          "object returned by 'info' is not an instance of "
                          "email.message.Message")
             self.assertEqual(info_obj.get_content_subtype(), "html")
@@ -122,7 +122,7 @@
         fd = open_url.fileno()
         FILE = os.fdopen(fd, encoding='utf-8')
         try:
-            self.assert_(FILE.read(), "reading from file created using fd "
+            self.assertTrue(FILE.read(), "reading from file created using fd "
                                       "returned by fileno failed")
         finally:
             FILE.close()
@@ -150,11 +150,11 @@
     def test_basic(self):
         # Test basic functionality.
         file_location,info = self.urlretrieve("http://www.python.org/")
-        self.assert_(os.path.exists(file_location), "file location returned by"
+        self.assertTrue(os.path.exists(file_location), "file location returned by"
                         " urlretrieve is not a valid path")
         FILE = open(file_location, encoding='utf-8')
         try:
-            self.assert_(FILE.read(), "reading from the file location returned"
+            self.assertTrue(FILE.read(), "reading from the file location returned"
                          " by urlretrieve failed")
         finally:
             FILE.close()
@@ -165,10 +165,10 @@
         file_location,info = self.urlretrieve("http://www.python.org/",
                                               support.TESTFN)
         self.assertEqual(file_location, support.TESTFN)
-        self.assert_(os.path.exists(file_location))
+        self.assertTrue(os.path.exists(file_location))
         FILE = open(file_location, encoding='utf-8')
         try:
-            self.assert_(FILE.read(), "reading from temporary file failed")
+            self.assertTrue(FILE.read(), "reading from temporary file failed")
         finally:
             FILE.close()
             os.unlink(file_location)
@@ -177,7 +177,7 @@
         # Make sure header returned as 2nd value from urlretrieve is good.
         file_location, header = self.urlretrieve("http://www.python.org/")
         os.unlink(file_location)
-        self.assert_(isinstance(header, email.message.Message),
+        self.assertTrue(isinstance(header, email.message.Message),
                      "header is not an instance of email.message.Message")