Use the state value only.
Correctly handle destroyed subscription which has never been associated to an
open order.

Excuse to force-run slapos test suite.

Try to reduce the number of documents created.
Always set a stop date on the open order line.

Fetching 1 element is faster than counting all.

Ensure that computer can destroy the software.

Also commit test skeleton.

Mainly give access for group/company to Hosting Subscription and its module.

As explicit is better then implicit give explicitly group/company access to
other modules and portal types even if access was already given by role/member.

Also use typical owner (zope) instead of artificial ones (admin or
ERP5TypeTestCase).

Run only 10 operations and increase priority a bit in order to be nicer to
realtime part of the system.