Tried taking the test, it keeps sending me to the product page, even after making an account.
I see that test is for some reason not working now. I'll find another one that works without login. Until then, you can judge body type according to the chart.
it's not a scientific argument for or against the validity of a certain medicine.
Ayurveda is much more than Medicine. For scientific evidences and methods, I'd suggest you to read texts related to Ayurveda and do your own practicals.