tests/test-undo

Update tests to use commit -m and default -u

manifest hash: 6e4385453843031a712005a320d6000595b40d05

#!/bin/sh

set -x
mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m "test" -d "0 0"
hg verify
hg parents
hg status
hg undo
hg verify
hg parents
hg status