Many who have gone before you found out the hard way that the step test can be a bear. You CAN fail it, especially if you have not practiced it previously (for the up-down cadence) or just to see if you have the stamina. Here are two things that will help. One is a box you can order from Amazon (make sure you order the size with 14 inches in the size). The other is the video that demonstrates how to do the test.