Test helper

[CeEv]

• [x] rewrite routes
• [x] server mock
• [x] test helper cleanup, create with default data, request helper, jwt helper, default data
• [x] section api tests
• [x] lesson api tests
• [x] server mock as extern services with port + 1
• [ ] solution for http / https by internen request, that is not used configs -> speak with Falko
• [x] cleanup code in TestHelpers
• [x] cleanup code in routes
• [x] remove syncGroups -> cleanup data
• [x] utilts resort ____ für weitere PRs ____
• test for global utils
• test for global hooks
• test for sockets
• test for dependencies section - lesson - syncGroups
• test diff Service
• test permission utils
• test for syncGroups
• Schema for section service
• Schema for permission service
• permission api tests