To check whether you're on the B1 level, we have the following watching & listening test for you. It consists of a video part and a listening part about varying subjects and per part you will have to answer multiple choice questions.
Go to woots.nl. If you're logged in Magister as well, you can click 'inloggen' and then 'selecteer je school'. It should log you in automatically.
Do the 2018 test.