define basic tests

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
complete README with vagrant tests notes

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
[sudo::alias::command] correct deprecation notice

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>