Most tests already had no global state, however parallel was never enabled. This change enables it for all applicable tests.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This is less error-prone, and is quite easy to integrate considering internal/app has already migrated to container.Absolute.
Closes#11.
Signed-off-by: Ophestra <cat@gensokyo.uk>