drop otel_errors_logged_as_errors test

upstream change made this functionality tricky
open-telemetry/opentelemetry-rust#2697
open-telemetry/opentelemetry-rust#2260

Author: connyay

tests/integ_tests/metrics_tests.rs

@@ -1136,45 +1136,3 @@ impl std::io::Write for CapturingHandle {
         Ok(())
     }
 }
-
-#[tokio::test]
-async fn otel_errors_logged_as_errors() {
-    // Set up tracing subscriber to capture ERROR logs
-    let logs = Arc::new(Mutex::new(Vec::new()));
-    let writer = CapturingWriter { buf: logs.clone() };
-    let subscriber = tracing_subscriber::fmt().with_writer(writer).finish();
-    let _guard = tracing::subscriber::set_default(subscriber);
-
-    let opts = OtelCollectorOptionsBuilder::default()
-        .url("https://localhost:12345/v1/metrics".parse().unwrap()) // Nothing bound on that port
-        .build()
-        .unwrap();
-    let exporter = build_otlp_metric_exporter(opts).unwrap();
-
-    let telemopts = TelemetryOptionsBuilder::default()
-        .metrics(Arc::new(exporter) as Arc<dyn CoreMeter>)
-        .build()
-        .unwrap();
-
-    let rt = CoreRuntime::new_assume_tokio(telemopts).unwrap();
-    let mut starter = CoreWfStarter::new_with_runtime("otel_errors_logged_as_errors", rt);
-    let _worker = starter.get_worker().await;
-
-    // Wait to allow exporter to attempt sending metrics and fail.
-    // Windows takes a while to fail the network attempt for some reason so 5s.
-    tokio::time::sleep(Duration::from_secs(5)).await;
-
-    let logs = logs.lock().unwrap();
-    let log_str = String::from_utf8_lossy(&logs);
-
-    assert!(
-        log_str.contains("ERROR"),
-        "Expected ERROR log not found in logs: {}",
-        log_str
-    );
-    assert!(
-        log_str.contains("Metrics exporter otlp failed with the grpc server returns error"),
-        "Expected an OTel exporter error message in logs: {}",
-        log_str
-    );
-}