python3: enforce byte prefix for vfs.open()
Changeset ea8da5aa23c6e723d7f0006387a1a20eef58fc9a added raw prefix to open(),
but also to vfs.open(). The latter only handles bytestring arguments.
#!/bin/sh
. $TESTDIR/testlib/pythonpath.sh
# This file holds logic that is used in many tests.
# It can be called in a test like this:
# $ . "$TESTDIR/testlib/topic_setup.sh"
# Enable obsolete markers and enable extensions
cat >> $HGRCPATH << EOF
[experimental]
evolution=createmarkers,exchange
[extensions]
rebase=
topic=
EOF