tests: disable progress estimate in test-debugbuilddag.t
If the command takes long enough, including 'estimate' in the format
will add some more data to the progress bar output, and make the test
fail. See e.g.
https://buildd.debian.org/status/fetch.php?pkg=mercurial&arch=kfreebsd-amd64&ver=2.1.2-2&stamp=
1333493711
--- a/tests/test-debugbuilddag.t Wed Apr 04 12:46:54 2012 -0500
+++ b/tests/test-debugbuilddag.t Wed Apr 04 13:55:11 2012 +0200
@@ -7,6 +7,7 @@
$ hg debugbuilddag '+2:f +3:p2 @temp <f+4 @default /p2 +2' \
> --config extensions.progress= --config progress.assume-tty=1 \
> --config progress.delay=0 --config progress.refresh=0 \
+ > --config progress.format=topic,bar,number \
> --config progress.width=60 2>&1 | \
> python $TESTDIR/filtercr.py