in src/OpenTelemetryEngineTests/Logging/FunctionsLoggerTests.cs [44:50]
public void FunctionsLogger_NullLogMessageThrows()
{
var logger = FunctionsLoggerBuilder.GetLogger();
Assert.Throws<System.ArgumentException>(() => logger.WorkerLogHandler("Warning", null, null));
Assert.Throws<System.ArgumentException>(() => logger.Log(null, "Warning"));
}