branchcache: simplify the branch rev cache test
We don't need that many content dump and this gets in the way in change in
access pattern (e.g. accessing revision in a different order change the order of
branches in the "names" file).
So we simplify this test in advance.
#!/bin/sh
# This scripts is used to setup temp directory in memory
# for running Mercurial tests in vritual machine managed
# by Vagrant (see Vagrantfile for details).
cd /hgshared
make local
cd tests
mkdir /tmp/ram
sudo mount -t tmpfs -o size=100M tmpfs /tmp/ram
export TMPDIR=/tmp/ram
./run-tests.py -l --time