I am having troubles creating my own course

Hello, everyone!

I am creating my first course and I cannot find how to “end” it - is there a specific element as a “last slide” that I cannot find? After testing it, it says to continue course but there is nothing to continue.

Also - how can I ensure all my questions are a part of a test and it is graded as unit?

I hope somebody can help with this issue I am having.