private void ConfigureLogger(NLog.LogLevel nlogLogLevel)
{
var config = new LoggingConfiguration();
_target = new MemoryTarget {Layout = "${level:uppercase=true}|${message}|${exception}"};
config.AddTarget("memory", _target);
var loggingRule = new LoggingRule("*", NLog.LogLevel.Trace, _target);
loggingRule.DisableLoggingForLevel(nlogLogLevel);
config.LoggingRules.Add(loggingRule);
LogManager.Configuration = config;
_sut = new NLogLogProvider().GetLogger("Test");
}