public static bool ContainsErrors(this LogToMemory log)
 {
     return(log
            .ToTypedList()
            .Any(e => e.Level == LogEntity.ErrorLevel));
 }
 public static bool NoErrors(this LogToMemory log)
 {
     return(log
            .ToTypedList()
            .All(e => e.Level == LogEntity.InfoLevel || e.Level == LogEntity.WarningLevel));
 }