RFR: 8257836: Add additional test cases to TestSyncOnValueBasedClassEvent.java

[Harold Seigel]

On Tue, 13 Apr 2021 13:15:12 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this small change to add additional test cases to TestSyncOnValueBasedClassEvent.java.  The modified test was tested using Mach5 on Linux x64, Linux aarch64, Mac OS and Windows.
> 
> Thanks, Harold

Thanks Lois and Patricio for reviewing this.

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PR: https://git.openjdk.java.net/jdk/pull/3465