fix media wallpost template - set context to wallpost model and use correct submit action CLUB-966
use run next when logging out - needed in tests to consistently update the template when the currentUser changes CLUB-966
update test login helper to check the modal has faded away before returning successfully CLUB-966
title not needed for wallposts CLUB-966
Merge pull request #1177 from onepercentclub/feature/CLUB-966-2

Fix wallpost tests - CLUB-966