RFR: 8340078: Open source several 2D tests

[Phil Race]

On Tue, 17 Sep 2024 20:10:17 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> Open source 5 Java2D related rendering tests.
>
> test/jdk/sun/java2d/GdiRendering/GdiLockTest.java line 28:
> 
>> 26:  * @bug 4693644
>> 27:  * @summary verifies that there are no artifacts due to copying with GDI
>> 28:  * @library java/awt/regtesthelpers
> 
> `test result: Error. Can't find library: java/awt/regtesthelpers`
> 
> Suggestion:
> 
>  * @library /java/awt/regtesthelpers

fixed

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PR Review Comment: https://git.openjdk.org/jdk/pull/21045#discussion_r1765461337