Rework pulsar tests (#8000)

Author: laurit

instrumentation/apache-pulsar/apache-pulsar-2.8/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pulsar/v2_8/telemetry/PulsarSingletons.java

@@ -24,7 +24,8 @@
 import org.apache.pulsar.client.api.Message;
 
 public final class PulsarSingletons {
-  private static final String INSTRUMENTATION_NAME = "io.opentelemetry.pulsar-client-2.8";
+  private static final String INSTRUMENTATION_NAME = "io.opentelemetry.apache-pulsar-2.8";
+
   private static final OpenTelemetry TELEMETRY = GlobalOpenTelemetry.get();
   private static final TextMapPropagator PROPAGATOR =
       TELEMETRY.getPropagators().getTextMapPropagator();