git: openjdk/jdk21u: master: 8303815: Improve Metaspace test speed

[Thomas Stuefe]

Changeset: 89234bc3
Author:    Thomas Stuefe <stuefe at openjdk.org>
Date:      2023-08-28 15:32:21 +0000
URL:       https://git.openjdk.org/jdk21u/commit/89234bc31da95bd2e499ca25a7639919948e3d10

8303815: Improve Metaspace test speed

Backport-of: de0e46c2f6dfa817bfa745195573810d250640de

! test/hotspot/gtest/metaspace/test_chunkManager_stress.cpp
! test/hotspot/gtest/metaspace/test_freeblocks.cpp
! test/hotspot/gtest/metaspace/test_metaspacearena_stress.cpp
! test/hotspot/gtest/metaspace/test_virtualspacenode.cpp
! test/hotspot/jtreg/runtime/Metaspace/elastic/TestMetaspaceAllocationMT1.java
! test/hotspot/jtreg/runtime/Metaspace/elastic/TestMetaspaceAllocationMT2.java