... and he just kept gunning it (the cursing was pretty salty, too!).
He dug himself deeper and deeper and just wouldn't stop gunning the car. He'd stopped making any progress and was just sitting in place expending a lot of effort - all because he was in a hurry and he was getting frustrated.
And it occurred to me that when we test, we have to be very careful not to turn into that guy. Once you've got your system into a bad state and found a problem, continuing isn't going to help. Get yourself in trouble - that's part of our job. But then don't keep doing the same thing over and over. If you want to accomplish something, change your approach.
Otherwise you're just digging a hole in the snow.