Work-around failing tests/test-bad-pull with slow bg process.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Work-around failing tests/test-bad-pull with slow bg process.
Without the 'sleep 2' python dumb.py often appeared after hg clone.

manifest hash: b32381ac46a7691f2a92595b650b2406853644c2
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (GNU/Linux)

iD8DBQFCxOM+W7P1GVgWeRoRAjgTAJ9OqrikdK043Eiyyx9dG8DR1XZ7tgCggdmM
AVYvAZO3P+WlaWDu3MaxEXY=
=0XN5
-----END PGP SIGNATURE-----

tests/test-bad-pull

@@ -18,6 +18,7 b' run()'
 EOF
 
 python dumb.py 2>/dev/null &
+sleep 2
 
 hg clone http://localhost:20059/foo copy2
 echo $?

tests/test-bad-pull.out

@@ -7,7 +7,9 b' rollback completed'
 + echo 255
 255
 + ls copy
+ls: copy: No such file or directory
 + cat
++ sleep 2
 + python dumb.py
 + hg clone http://localhost:20059/foo copy2
 requesting all changes