Issue #6728 - QUIC and HTTP/3

- Trying to replicate test failures.

Signed-off-by: Simone Bordet <simone.bordet@gmail.com>

Jenkinsfile

@@ -42,7 +42,7 @@ pipeline {
           steps {
             container( 'jetty-build' ) {
               timeout( time: 120, unit: 'MINUTES' ) {
-                mavenBuild( "jdk17", "clean install -Dspotbugs.skip=true -Djacoco.skip=true -am -pl :test-http-client-transport -Dtest=HttpClientLoadTest#testIterative", "maven3")
+                mavenBuild( "jdk17", "clean install -Dspotbugs.skip=true -Djacoco.skip=true -am -pl :test-http-client-transport -Dtest=HttpClientLoadTest", "maven3")
                 recordIssues id: "jdk17", name: "Static Analysis jdk17", aggregatingResults: true, enabledForFailure: true, tools: [mavenConsole(), java(), checkStyle(), spotBugs(), pmdParser()]
               }
             }

tests/test-http-client-transport/src/test/java/org/eclipse/jetty/http/client/HttpClientLoadTest.java

@@ -126,7 +126,7 @@ public class HttpClientLoadTest extends AbstractTest<HttpClientLoadTest.LoadTran
         });
 
         int runs = 1;
-        int iterations = 64;
+        int iterations = 128;
         IntStream.range(0, 16).parallel().forEach(i ->
             IntStream.range(0, runs).forEach(j ->
                 run(transport, iterations)));