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>
Having a method that returns the canonical string representation of its type seemed like a much better idea for an implementation that never made it to staging. Remove it here and clean up marshal type assertions.
Signed-off-by: Ophestra <cat@gensokyo.uk>
