Added test: <variable> with attr and <value> (#3479)
Added test: <variable> with attr and <value> (#3479)


304NotModified/NLog,UgurAldanmaz/NLog,BrutalCode/NLog,UgurAldanmaz/NLog,BrutalCode/NLog,sean-gilliam/NLog,luigiberrettini/NLog,luigiberrettini/NLog,snakefoot/NLog,NLog/NLog