cosmetic: eliminate code warning
diff --git a/test-services/src/main/java/org/apache/sling/testing/mock/osgi/testsvc/osgiserviceutil/activatedeactivate/ServiceReferenceInConstructor.java b/test-services/src/main/java/org/apache/sling/testing/mock/osgi/testsvc/osgiserviceutil/activatedeactivate/ServiceReferenceInConstructor.java
index 0e16556..beae296 100644
--- a/test-services/src/main/java/org/apache/sling/testing/mock/osgi/testsvc/osgiserviceutil/activatedeactivate/ServiceReferenceInConstructor.java
+++ b/test-services/src/main/java/org/apache/sling/testing/mock/osgi/testsvc/osgiserviceutil/activatedeactivate/ServiceReferenceInConstructor.java
@@ -25,6 +25,7 @@
 @Component
 public class ServiceReferenceInConstructor {
 
+    @SuppressWarnings("unused")
     private final Service1 service1;
 
     @Activate