[parser] test: count coverage for all packages when unit testing (#377)
[parser] test: count coverage for all packages when unit testing (#377)


pingcap/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,kyle-wang/tidb,c4pt0r/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,c4pt0r/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,c4pt0r/tidb,c4pt0r/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,kyle-wang/tidb,ngaut/tidb,coocood/tidb,coocood/tidb,kyle-wang/tidb,ngaut/tidb,ngaut/tidb