tests/model/test_search: Use new 'test_user/admin' fixtures
tests/model/test_search: Use new 'test_user/admin' fixtures

Turbo87/skylines,Harry-R/skylines,Turbo87/skylines,Harry-R/skylines,snip/skylines,snip/skylines,TobiasLohner/SkyLines,shadowoneau/skylines,Turbo87/skylines,snip/skylines,RBE-Avionik/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Harry-R/skylines,skylines-project/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,skylines-project/skylines,kerel-fs/skylines,skylines-project/skylines,Harry-R/skylines,shadowoneau/skylines,kerel-fs/skylines,TobiasLohner/SkyLines,shadowoneau/skylines,shadowoneau/skylines,RBE-Avionik/skylines,skylines-project/skylines,Turbo87/skylines