test suite: always generate new certificates on `make test`.

In addition, sign test certificates with the same root CA.  Hence
running `make test` now requires OpenSSL 1.1.1 or later.

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/run b/tests/run
index 8164524..0305812 100755
--- a/tests/run
+++ b/tests/run
@@ -102,6 +102,7 @@ prepare() {
             cat >>"$home/.dovecot/config" <"$TESTDIR/$u.conf"
         fi
         cp -aT -- "$BASEDIR/snippets/dovecot" "$home/.dovecot/conf.d"
+        cp -at "$home/.dovecot/conf.d" -- "$BASEDIR/certs/ca.crt" "$BASEDIR/certs"/dovecot.*
 
         proto="$(env -i "${ENVIRON[@]}" doveconf -c "$home/.dovecot/config" -h protocols)"
         if [ -n "$proto" ]; then