1 files changed, 4 insertions, 5 deletions
diff --git a/container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java b/container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java
index 9c17ce7d0da..73dfb85519c 100644
--- a/container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java
+++ b/container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java
@@ -54,7 +54,6 @@ import java.time.Duration;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
@@ -667,7 +666,7 @@ public class HttpServerTest {
 
     private ResponseMetricAggregator.StatisticsEntry waitForStatistics(ResponseMetricAggregator
                                                                                       statisticsCollector) {
-        List<ResponseMetricAggregator.StatisticsEntry> entries = Collections.emptyList();
+        List<ResponseMetricAggregator.StatisticsEntry> entries = List.of();
         int tries = 0;
         // Wait up to 30 seconds before giving up
         while (entries.isEmpty() && tries < 300) {
@@ -912,7 +911,7 @@ public class HttpServerTest {
         @Override
         public ContentChannel handleRequest(final Request request, final ResponseHandler handler) {
             final HttpResponse response = HttpResponse.newInstance(OK);
-            response.encodeSetCookieHeader(Collections.singletonList(cookie));
+            response.encodeSetCookieHeader(List.of(cookie));
             ResponseDispatch.newInstance(response).dispatch(handler);
             return null;
         }
@@ -922,8 +921,8 @@ public class HttpServerTest {
 
         @Override
         public ContentChannel handleRequest(final Request request, final ResponseHandler handler) {
-            final List<Cookie> cookies = new ArrayList<>(((HttpRequest)request).decodeCookieHeader());
-            Collections.sort(cookies, new CookieComparator());
+            List<Cookie> cookies = new ArrayList<>(((HttpRequest)request).decodeCookieHeader());
+            cookies.sort(new CookieComparator());
             final ContentChannel out = ResponseDispatch.newInstance(Response.Status.OK).connect(handler);
             out.write(StandardCharsets.UTF_8.encode(cookies.toString()), null);
             out.close(null);