fix(typo): Tuple wasn't

"Nette Klammer hast du da," sagte das Komma. "Wäre doch schade
wenn dem was passiert..." und setze sich hinten rein

@tisto
fix(tests)

Move content creation out into the layer once more
Beause copy and move operations are handled with zope api
that expect to only move stuff that has been committed
at least once. This is not true for objects created
in the test setup handler.