build: fix jetty test

Author: jknack

tests/src/test/java/io/jooby/test/Http2Test.java

@@ -129,7 +129,7 @@ public void onAccept(Session session) {}
     Response.Builder builder = new Response.Builder();
     session.newStream(
         frame,
-        new Promise.Adapter<>(),
+        Promise.noop(),
         new Stream.Listener() {
           @Override
           public void onHeaders(final Stream stream, final HeadersFrame frame) {