Implement End-To-End Test for Scenario 4

Test Scenario 4 - User with -R Logger permission opens Logger. Ice sends 1000 logs at once, they are handled correctly. User changes verbosity level and logs out.

1. /T010/ Establish Connection with Ice
2. /T020/ Load Authorization Page
3. /T030/ Enter authorization token in input field
4. /T040/ Validate authorization token
5. /T060/ Display user role
6. /T070/ Display authorization status
7. /T080/ Open Empty GUI Workspace
8. /T100/ Open Logger
9. /T200/ Display correct verbosity level
10. /T380/ Ice sends 1000 log messages at once
11. /T240/ Scroll through log messages
12. /T210/ Change verbosity level in Frontend
13. /T220/ Filter log entries
14. /T120/ User logs out