Add service peer name handling to registry tests

Author: steverao

instrumentation/apache-dubbo-2.7/javaagent/src/testDubbo/java/io/opentelemetry/javaagent/instrumentation/apachedubbo/v2_7/DubboAgentRegistryTest.java

@@ -19,4 +19,9 @@ class DubboAgentRegistryTest extends AbstractDubboRegistryTest {
   protected InstrumentationExtension testing() {
     return testing;
   }
+
+  @Override
+  protected boolean hasServicePeerName() {
+    return true;
+  }
 }

instrumentation/apache-dubbo-2.7/library-autoconfigure/src/test/java/io/opentelemetry/instrumentation/apachedubbo/v2_7/DubboRegistryTest.java

@@ -18,4 +18,9 @@ class DubboRegistryTest extends AbstractDubboRegistryTest {
   protected InstrumentationExtension testing() {
     return testing;
   }
+
+  @Override
+  protected boolean hasServicePeerName() {
+    return false;
+  }
 }

instrumentation/apache-dubbo-2.7/testing/src/main/java/io/opentelemetry/instrumentation/apachedubbo/v2_7/AbstractDubboRegistryTest.java

@@ -9,6 +9,7 @@
 import static io.opentelemetry.instrumentation.api.internal.SemconvStability.emitOldRpcSemconv;
 import static io.opentelemetry.instrumentation.api.internal.SemconvStability.emitStableRpcSemconv;
 import static io.opentelemetry.instrumentation.testing.GlobalTraceUtil.runWithSpan;
+import static io.opentelemetry.instrumentation.testing.junit.service.SemconvServiceStabilityUtil.maybeStablePeerService;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.satisfies;
@@ -62,6 +63,8 @@ public abstract class AbstractDubboRegistryTest {
 
   protected abstract InstrumentationExtension testing();
 
+  protected abstract boolean hasServicePeerName();
+
   @BeforeAll
   static void setUp() throws Exception {
     zkServer = new TestingServer();
@@ -207,6 +210,9 @@ void testRegistryModeServerAddress() throws ReflectiveOperationException {
                                     emitStableRpcSemconv()
                                         ? "io.opentelemetry.instrumentation.apachedubbo.v2_7.api.HelloService/hello"
                                         : "hello"),
+                                equalTo(
+                                    maybeStablePeerService(),
+                                    hasServicePeerName() ? "test-peer-service" : null),
                                 satisfies(
                                     NETWORK_PEER_ADDRESS, val -> val.isInstanceOf(String.class)),
                                 satisfies(