By , DOVER, England (Reuters) - Truck drivers trapped along hundreds of miles of roads near the southern English port of Dover are facing a riddle: to travel to France they must have a COVID-19 test but they say there are no tests to be had.After turning parts of southern England into a vast truck parking lot by closing the border to incoming freight, France opened its border on Wednesday to truckers who have a negative COVID test that is less than 72 hours old.On the ground at the port of Dover - for centuries one of the main arteries for trade with the rest of Europe - there was little...…By , DOVER, England (Reuters) - Truck drivers trapped along hundreds of miles of roads near the southern English port of Dover are facing a riddle: to travel to France they must have a COVID-19 test but they say there are no tests to be had.After turning parts of southern England into a vast truck parking lot by closing the border to incoming freight, France opened its border on Wednesday to truckers who have a negative COVID test that is less than 72 hours old.On the ground at the port of Dover - for centuries one of the main arteries for trade with the rest of Europe - there was little...WW…