Update functional_test.go

Author: dmitryax

functional_tests/functional/functional_test.go

@@ -947,6 +947,8 @@ func tryMetricsComparison(expected pmetric.Metrics, actual pmetric.Metrics) erro
 		pmetrictest.IgnoreMetricAttributeValue("container.image.tag", metricNames...),
 		pmetrictest.IgnoreMetricAttributeValue("k8s.node.uid", metricNames...),
 		pmetrictest.IgnoreMetricAttributeValue("net.host.name", metricNames...),
+		pmetrictest.IgnoreMetricAttributeValue("server.port", metricNames...),
+		pmetrictest.IgnoreMetricAttributeValue("otel.signal", metricNames...),
 		pmetrictest.IgnoreMetricAttributeValue("processor", metricNames...),
 		pmetrictest.IgnoreMetricAttributeValue("service.instance.id"),
 		pmetrictest.IgnoreMetricAttributeValue("service.version", metricNames...),