Fix the code completion timing test

pkg/analysis_server/test/timing/timing_framework.dart

Index: pkg/analysis_server/test/timing/timing_framework.dart
diff --git a/pkg/analysis_server/test/timing/timing_framework.dart b/pkg/analysis_server/test/timing/timing_framework.dart
index ffa47416cbf59fbeba335b0a1f7f2fddbded7c6a..3b1fdefdee780186cdd1470a8a7687c3c5ae558e 100644
--- a/pkg/analysis_server/test/timing/timing_framework.dart
+++ b/pkg/analysis_server/test/timing/timing_framework.dart
@@ -196,7 +196,7 @@ abstract class TimingTest extends IntegrationTestMixin {
       serverConnected.complete();
     });
     skipShutdown = true;
-    return server.start(profileServer: true).then((params) {
+    return server.start(/*profileServer: true*/).then((params) {
       server.listenToOutput(dispatchNotification);
       server.exitCode.then((_) {
         skipShutdown = true;