Verify Log4Net logs

verifylogs.cs

        public static void VerifyLog(Action code)
        {
            var memoryAppender = new MemoryAppender();
            BasicConfigurator.Configure(memoryAppender);
            code.Invoke();

            var aggregate = memoryAppender.GetEvents().Aggregate(
                string.Empty,
                (s, @event) => s + Environment.NewLine + @event.RenderedMessage);
            Approvals.Verify(aggregate);
        }
        
        // ... Or ...
        
        public static string RecordLog(Action code)
        {
            var memoryAppender = new MemoryAppender();
            BasicConfigurator.Configure(memoryAppender);
            code.Invoke();

            var aggregate = memoryAppender.GetEvents()
                .Aggregate(default(string), (s, @event) => s + Environment.NewLine + @event.RenderedMessage);
            memoryAppender.Clear();
            return aggregate;
        }