update activation and deactivation tests based on actual log level not its mere presence

Author: Mpdreamz

tests/Elastic.OpenTelemetry.Tests/Configuration/GlobalLogConfigurationTests.cs

@@ -23,7 +23,7 @@ public void Check_Defaults()
 
 	//
 	[Theory]
-	[InlineData(OTEL_LOG_LEVEL, "Info")]
+	[InlineData(OTEL_LOG_LEVEL, "Debug")]
 	[InlineData(OTEL_DOTNET_AUTO_LOG_DIRECTORY, "1")]
 	//only if explicitly specified to 'none' should we not default to file logging.
 	[InlineData(ELASTIC_OTEL_LOG_TARGETS, "file")]
@@ -37,6 +37,7 @@ public void CheckActivation(string environmentVariable, string value)
 	//
 	[Theory]
 	[InlineData(OTEL_LOG_LEVEL, "none")]
+	[InlineData(OTEL_LOG_LEVEL, "Debug")]
 	//only if explicitly specified to 'none' should we not default to file logging.
 	[InlineData(ELASTIC_OTEL_LOG_TARGETS, "none")]
 	public void CheckDeactivation(string environmentVariable, string value)