tests/histedit-helpers.sh

remotefilelog: tell runbgcommand to not block on child process startup

These two invocations will always find a binary because they're
re-running hg. As a result, we can skip waiting for the subprocess to
start running and save a little bit of wall-time.

Differential Revision: https://phab.mercurial-scm.org/D6539

fixbundle() {
    grep -v 'saving bundle' | grep -v 'saved backup' | \
        grep -v added | grep -v adding | \
        grep -v "unable to find 'e' for patching" | \
        grep -v "e: No such file or directory" | \
    cat
}