Add missing @Override.

httpclient5-cache/src/test/java/org/apache/hc/client5/http/impl/cache/TestHttpByteArrayCacheEntrySerializer.java

@@ -366,6 +366,7 @@ public class TestHttpByteArrayCacheEntrySerializer {
         final HttpCacheStorageEntry testEntry = cacheObjectValues.toEntry();
 
         final HttpByteArrayCacheEntrySerializer testSerializer = new HttpByteArrayCacheEntrySerializer() {
+            @Override
             protected AbstractMessageWriter<SimpleHttpResponse> makeHttpResponseWriter(final SessionOutputBuffer outputBuffer) {
                 return throwyHttpWriter;
             }

httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractHttpReactiveFundamentalsTest.java

@@ -158,6 +158,7 @@ public abstract class AbstractHttpReactiveFundamentalsTest<T extends CloseableHt
                     .build();
 
             final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(new FutureCallback<Message<HttpResponse, Publisher<ByteBuffer>>>() {
+                @Override
                 public void completed(final Message<HttpResponse, Publisher<ByteBuffer>> result) {
                     final Flowable<ByteBuffer> flowable = Flowable.fromPublisher(result.getBody())
                             .observeOn(Schedulers.io()); // Stream the data on an RxJava scheduler, not a client thread
@@ -169,7 +170,9 @@ public abstract class AbstractHttpReactiveFundamentalsTest<T extends CloseableHt
                                 }
                             });
                 }
+                @Override
                 public void failed(final Exception ex) { }
+                @Override
                 public void cancelled() { }
             });
             httpclient.execute(request, consumer, HttpClientContext.create(), null);