LONDON – The British government faced huge questions Monday over its coronavirus testing system after a tripling in the number of daily positive cases over the weekend that was blamed on a technical glitch.Health Secretary Matt Hancock is due to make a statement to lawmakers later Monday after the opposition Labour Party asked the government to explain why the cases were not tabulated when they should have been.The latest problems to afflict the U.K.'s test and trace program emerged over the weekend when public health officials revealed that a total of 15,841 virus cases weren’t tabulated from Sept.