...and mark tests that exercise new-style entrypoints as requiring 2.0
These tests give us (or rather will give us once made exhaustive, see
#508) coverage for both new-style and old-style creation entrypoints,
making the entrypoint used in other tests irrelevant as long as the
old-style entrypoints are required to be implemented.
Signed-off-by: Kévin Petit <kpet@free.fr>
