Fix CI: various feature files (build #1047)

Fix CI: features/examples/explorative_suche.feature:21

Fix CI: features/examples/kategorien.feature:75

Fix CI: features/examples/modell.feature:82

Fix CI: features/examples/modell.feature:98

Fix CI: features/examples/pakete.feature:15

Fix CI: features/examples/zweck.feature:54