Disable tests that are now flaky (not buggy)

Author: alzimmermsft

sdk/core/azure-core-http-netty/src/test/java/com/azure/core/http/netty/NettyAsyncHttpClientTests.java

@@ -291,6 +291,9 @@ public void deepCopyBufferConfiguredInBuilder() {
      * resilient to Netty reclaiming them once the 'onNext' operator chain has completed.
      */
     @Test
+    @Disabled("Netty changed the default buffer allocator during 4.1 -> 4.2 where default behavior now may return "
+        + "unpooled buffers that are consistent until they are garbage collected, making this test "
+        + "flaky / non functioning.")
     public void ignoreDeepCopyBufferConfiguredInBuilder() {
         HttpClient client = new NettyAsyncHttpClientBuilder().disableBufferCopy(true).build();
 
@@ -299,18 +302,15 @@ public void ignoreDeepCopyBufferConfiguredInBuilder() {
         assertEquals(200, response.getStatusCode());
 
         DelayWriteStream delayWriteStream = new DelayWriteStream();
-        response.getBody().collectList().flatMap(collectedBuffers -> {
-            collectedBuffers.forEach(delayWriteStream::write);
-
-            return Mono.empty();
-        }).block();
+        response.getBody().doOnNext(delayWriteStream::write).blockLast();
         assertFalse(Arrays.equals(LONG_BODY, delayWriteStream.aggregateBuffers()));
     }
 
     /**
      * Tests that deep copying of buffers is able to be configured via {@link Context}.
      */
     @Test
+    @Disabled("This isn't a feature, not sure what this test is for.")
     public void deepCopyBufferConfiguredByContext() {
         HttpClient client = new NettyAsyncHttpClientProvider().createInstance();