The only thing that worked was taking the first test. Since then, nothing will come up and nothing will work. How do you start from the beginning?
I don't really know what you are talking about, but you can reset your progress like this:
However over your name on the top. A drop down menu will appear.
On the menu bar on the right choose "Target Language"
On the bottom, in light gray you will see something like "Reset language"
Violà your back to square one.