Sometimes, limitations of space, time and equipment require deviation of the standard practices. Extra precautions are taken so that if a catastrophic failure of the hose occurs, damage to equipment and personnel is limited.
The above photo illustrates what we call "Italian Style Hose Testing". It resembles a plate full of spaghetti
This image illustrates why you never stand over hose while it is being tested. This section of 2 1/2" hose failed within 5 feet of the pump panel. As the engineer was not straddling the hose, he escaped with only a bath. The fact that the discharge valve was opened just enough to introduce pressure to the hose, prevented damage to the rig.
Not straddling the hose and how to cross charged fire hose safely were among the first things I learned as a firefighter. For good reason it would seem.
Thanks for reading,