test_rotor.py: New test of the rotor module.

test_*: converted to the new test harness.  GvR note!  test_signal.py
works interatively (i.e. when verbose=1) but does not work inside the
test harness.  It must be a timing issue, but I haven't figured it out
yet.
diff --git a/Lib/test/test_nis.py b/Lib/test/test_nis.py
index 4f78932..9b3910d 100644
--- a/Lib/test/test_nis.py
+++ b/Lib/test/test_nis.py
@@ -1,9 +1,7 @@
+from test_support import verbose
 import nis
 
-verbose = 0
-if __name__ == '__main__':
-    verbose = 1
-
+print 'nis.maps()'
 maps = nis.maps()
 done = 0
 for nismap in maps: