evolve: cover the orphanmerge part missed by lastsolved
Let's cover the orphanmerge part also as it was missed
at the time when we introduced "lastsolved".
Chagnes in test-evolve.t reflect the fixed behaviour.
#!/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