[~TASK] Fix test/persistence coupling
[~TASK] Fix test/persistence coupling

The Fluid tests obviously should have no coupling to the FLOW3
persistence.

Change-Id: I4938c570ec72e0c0cd1585d06e807fd81d93b94d
Original-Commit-Hash: 90606446468a5c674393965c3b3ec15f36bc3893

neos/fluid,neos/fluid