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.
def run():
from . import demandimport
with demandimport.tracing.log('hg script'):
demandimport.enable()
from . import dispatch
dispatch.run()
if __name__ == '__main__':
run()