Added more tests for urllib.parse utility functions.

These functions are not documented but used in third-party code.

Lib/test/test_urllib.py

@@ -1294,21 +1294,6 @@ class Pathname_Tests(unittest.TestCase):
 class Utility_Tests(unittest.TestCase):
     """Testcase to test the various utility functions in the urllib."""
 
-    def test_splitpasswd(self):
-        """Some of password examples are not sensible, but it is added to
-        confirming to RFC2617 and addressing issue4675.
-        """
-        self.assertEqual(('user', 'ab'),urllib.parse.splitpasswd('user:ab'))
-        self.assertEqual(('user', 'a\nb'),urllib.parse.splitpasswd('user:a\nb'))
-        self.assertEqual(('user', 'a\tb'),urllib.parse.splitpasswd('user:a\tb'))
-        self.assertEqual(('user', 'a\rb'),urllib.parse.splitpasswd('user:a\rb'))
-        self.assertEqual(('user', 'a\fb'),urllib.parse.splitpasswd('user:a\fb'))
-        self.assertEqual(('user', 'a\vb'),urllib.parse.splitpasswd('user:a\vb'))
-        self.assertEqual(('user', 'a:b'),urllib.parse.splitpasswd('user:a:b'))
-        self.assertEqual(('user', 'a b'),urllib.parse.splitpasswd('user:a b'))
-        self.assertEqual(('user 2', 'ab'),urllib.parse.splitpasswd('user 2:ab'))
-        self.assertEqual(('user+1', 'a+b'),urllib.parse.splitpasswd('user+1:a+b'))
-
     def test_thishost(self):
         """Test the urllib.request.thishost utility function returns a tuple"""
         self.assertIsInstance(urllib.request.thishost(), tuple)