Remove unnecessary assertions

Author: Bennett Lynch

core/sdk-core/src/main/java/software/amazon/awssdk/core/async/AsyncResponseTransformer.java

@@ -149,9 +149,9 @@ static <ResponseT> AsyncResponseTransformer<ResponseT, ResponseBytes<ResponseT>>
      * which is an {@link SdkPublisher} that also contains a reference to the {@link SdkResponse} returned by the service.
      * <p>
      * When this transformer is used with an async client, the {@link CompletableFuture} that the client returns will be completed
-     * once the {@link SdkResponse} is available and the response body <i>begins</i> streaming. (This behavior differs from some
+     * once the {@link SdkResponse} is available and the response body <i>begins</i> streaming. This behavior differs from some
      * other transformers, like {@link #toFile(Path)} and {@link #toBytes()}, which only have their {@link CompletableFuture}
-     * completed after the entire response body has finished streaming.)
+     * completed after the entire response body has finished streaming.
      * <p>
      * You are responsible for subscribing to this publisher and managing the associated back-pressure. Therefore, this
      * transformer is only recommended for advanced use cases.

services-custom/s3-transfer-manager/src/it/java/software/amazon/awssdk/transfer/s3/S3TransferManagerDownloadIntegrationTest.java

@@ -101,7 +101,6 @@ public void download_toPublisher() throws Exception {
                                        .build());
         CompletedDownload<ResponsePublisher<GetObjectResponse>> completedDownload = download.completionFuture().join();
         ResponsePublisher<GetObjectResponse> responsePublisher = completedDownload.result();
-        assertThat(responsePublisher.response().responseMetadata().requestId()).isNotNull();
         ByteBuffer buf = ByteBuffer.allocate(Math.toIntExact(responsePublisher.response().contentLength()));
         CompletableFuture<Void> drainPublisherFuture = responsePublisher.subscribe(buf::put);
         drainPublisherFuture.join();

services/s3/src/it/java/software/amazon/awssdk/services/s3/GetObjectAsyncIntegrationTest.java

@@ -103,7 +103,6 @@ public void toByteArray() throws IOException {
     public void toPublisher() throws IOException {
         ResponsePublisher<GetObjectResponse> responsePublisher =
             s3Async.getObject(getObjectRequest, AsyncResponseTransformer.toPublisher()).join();
-        assertThat(responsePublisher.response().responseMetadata().requestId()).isNotNull();
         ByteBuffer buf = ByteBuffer.allocate(Math.toIntExact(responsePublisher.response().contentLength()));
         CompletableFuture<Void> drainPublisherFuture = responsePublisher.subscribe(buf::put);
         drainPublisherFuture.join();