如何临时禁用针对perf测试的log4net日志记录？

I have log4net loggers configured to run with my unit tests, but for a few select unit tests that serve as perf tests I want to disable logging. How can I disable (and later re-enable) logging at runtime, basically overriding the logger settings that are in my .config file?I have log4net loggers configured to run with m