Add unit test for parsing maybenot machines

[dlon]

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This change is 

[hulthe]

Reviewed 1 of 3 files at r1, 2 of 2 files at r2, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @dlon)

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wireguard-go-rs/src/lib.rs line 215 at r2 (raw file):

        Err(Error::Other)
    }
}

This function should have a docstring and SAFETY-comments imo

[dlon]

Reviewable status: 2 of 3 files reviewed, all discussions resolved (waiting on @hulthe)

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wireguard-go-rs/src/lib.rs line 215 at r2 (raw file):

Previously, hulthe (Joakim Hulthe) wrote…

This function should have a docstring and SAFETY-comments imo

Done.