disable test_nis; it hangs

Lib/test/regrtest.py

@@ -1135,6 +1135,7 @@ class _ExpectedSkips:
             # These are broken tests, for now skipped on every platform.
             # XXX Fix these!
             self.expected.add('test_cProfile')
+            self.expected.add('test_nis')
 
             # expected to be skipped on every platform, even Linux
             if not os.path.supports_unicode_filenames:

Lib/test/test_nis.py

@@ -2,6 +2,8 @@ from test import support
 import unittest
 import nis
 
+raise support.TestSkipped("test_nis hangs on Solaris")
+
 class NisTests(unittest.TestCase):
     def test_maps(self):
         try: