Improve #8051 (#8052)

Increased test timeouts

Author: gregw

jetty-client/src/test/java/org/eclipse/jetty/client/HttpClientGZIPTest.java

@@ -292,10 +292,10 @@ protected void service(String target, Request jettyRequest, HttpServletRequest r
         InputStreamResponseListener listener = new InputStreamResponseListener();
         client.newRequest("localhost", connector.getLocalPort())
             .scheme(scenario.getScheme())
-            .timeout(5, TimeUnit.SECONDS)
+            .timeout(20, TimeUnit.SECONDS)
             .send(listener);
 
-        Response response = listener.get(5, TimeUnit.SECONDS);
+        Response response = listener.get(20, TimeUnit.SECONDS);
         assertEquals(HttpStatus.OK_200, response.getStatus());
 
         ByteArrayOutputStream output = new ByteArrayOutputStream();