8323635: Test gc/g1/TestHumongousAllocConcurrentStart.java fails with -XX:TieredStopAtLevel=3

Reviewed-by: shade, lmesnik

test/hotspot/jtreg/gc/g1/TestHumongousAllocConcurrentStart.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,7 @@ package gc.g1;
  * @bug 7168848
  * @summary G1: humongous object allocations should initiate marking cycles when necessary
  * @requires vm.gc.G1
+ * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.management
@@ -45,7 +46,7 @@ public class TestHumongousAllocConcurrentStart {
     private static final int initiatingHeapOccupancyPercent = 50;  // %
 
     public static void main(String[] args) throws Exception {
-        OutputAnalyzer output = ProcessTools.executeTestJava(
+        OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
             "-XX:+UseG1GC",
             "-Xms" + heapSize + "m",
             "-Xmx" + heapSize + "m",