Team captain Rob Cisline grew up on a working cattle ranch, eating Rocky Mountain oysters. “One year, I had an idea,” he said. His idea was simple: sauté the beef testicles with garlic, onions and other spices and put them into a wonton shell and briefly fry the wonton. His first year, he won. The next year, his booth moved away from the labor-intensive wontons but came back to it for this year’s Virginia City Rocky Mountain Oyster Fest. “You’d eat the ... out of them if you didn’t know what they were made out of,” Cisline said. He wants …