What is the CASPer test?

since i can’t add body to this post:

okay so i applied to some nursing programs at McMaster University (Canada) and am currently being bombarded with emails taking about this casper test that i have never heard of nor know anything about. It says I need to reserve a test date and all that and that it takes so much time to complete and that i also need to have a working microphone and camera, which i don’t have? Also I need to be able to pay for this test somehow that I had no idea i needed to do. I am so confused and would just like to ask for some clarification for SOMEBODY because my school has clearly given me no information as i’ve never heard of this in my life. I feel so stupid because i didn’t know, don’t have the money if it’s too expensive, and don’t have the resources.