This is a list of standard test cases that should be checked before a new release

1. Add one of the public channels to the list of channels available in the frontend
   • expand the first option bar „Kanäle“ to show the list of channels available
   • click on „+ Kanal hinzufügen“
   • a popup should appear with several tabs, one of them with the title „öffentliche Kanäle“
   • select one of the entries in „Middleware“
   • select one of the entries in „Kanal“
   • click on „Abonnieren“
   • expected result:
     • the graph for the selected channel should be drawn (in case you don't see any data you might want to look in a different time frame like month)
     • if „Cookie“ was selected in the subscription dialog, a Cookie should be set in the browser
2. <second, even more important test case>