Beijing recently 'greenlighted' Tesla the ability to roll out its driver-assistance system, known as "Full Self-Driving," or FSD. A new report suggests Tesla is testing vehicles equipped with FSD on city streets and highways in the world's largest car market. Reuters cited a report from the government-backed Shanghai Observer that said ten Tesla vehicles with FSD are being tested ahead of what could be a much larger planned rollout later this year. Elon Musk has been strategically paving the way for an FSD rollout in China in recent…