This is way higher level than the container package and does not even work unless every path is mounted in the exact same location.
This behaviour causes nothing but confusion and problems,
Signed-off-by: Ophestra <cat@gensokyo.uk>
This is more elegant and allows for much easier extension of the tests. Mountinfo is still serialised however due to libPaths nondeterminism.
Signed-off-by: Ophestra <cat@gensokyo.uk>