RFR: 8311775: [TEST] duplicate verifyHeapDump in several tests [v3]

[Alex Menkov]

On Fri, 11 Aug 2023 02:46:36 GMT, Yi Yang <yyang at openjdk.org> wrote:

>> This is a follow-up patch of #13667. verifyHeapDump is duplicated in several tests, this patch tries to consolidate them into one method.
>
> Yi Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review from Alex

test/hotspot/jtreg/serviceability/dcmd/gc/HeapDumpTest.java line 2:

> 1: /*
> 2:  * Copyright (c) 2015, 2013, Oracle and/or its affiliates. All rights reserved.

typo - should be 2023, not 2013

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PR Review Comment: https://git.openjdk.org/jdk/pull/15202#discussion_r1307809311