This is an [OSDK](https://crates.io/crates/cargo-osdk)-based kernel that solely
runs unit tests. It is shipped with [OSDK](https://crates.io/crates/cargo-osdk)
to provide default unit-test infrastructure for kernel projects based on
[OSTD](https://crates.io/crates/ostd).
This is part of the [Asterinas](https://github.com/asterinas/asterinas)
project.