tests: Fail if we cannot create the socket directory.
* tests/migrations/common.scm (run-test): Turn warning into an error. * tests/openpgp/defs.scm (start-agent): Likewise.
We use separate directories to create the sockets in so that the
absolute path to the every socket fits into sun_path.
- Fixes-commit: 7e19786a5ddef637d1d9d21593fecf5a36b6f372
- Signed-off-by: Justus Winter <justus@g10code.com>