All `plugins` tests that require an `ExperimentalDaemon` are migrated
to `integration/plugin/*` and start an experimental daemon to test on
it.
The end goal being to remove the `experimental` build.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Both names have no real sense, but one allows to make sure these packages
aren't used outside of `integration`.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>