user:

admin:
-edit "User settings"
-turn off "Use module tab bar" and press "OK", module tab bar should disappear

-edit "User settings"
-turn on "Use module tab bar" and press "OK", module tab bar should appear

-edit "User settings"
-turn off "Open one module at a time" and press "OK"
-click on "All on", all modules should appear
-click on "All off", all modules should disappear
-click on 2-3 modules, they should appear
-click on same module again, they should disappear

-edit "User settings"
-turn on "Open one module at a time" and press "OK"
-click on a module, it should appear and all others disappear
-click on a different module, it should appear and the other disappear
