RFR: 8327478: Add System test to verify TextSelection issue for webkit-617.1 [v4]

[Kevin Rushforth]

On Wed, 5 Mar 2025 07:01:42 GMT, Gopal Pattnaik <duke at openjdk.org> wrote:

>> There was no test included with the fix for [JDK-8326989](https://bugs.openjdk.org/browse/JDK-8326989),
>> 
>> Hence we are adding a system test now.
>> 
>> Test is written as 
>> 1. Load html content in web view.
>> 2. pick the color of mouse pointer.
>> 3. Perform double click.
>> 4. pick the color again.
>>> expected bahaviour: colour picked in step 2 and 4 should not match.
>> 
>> Verification:
>> The test passes with latest webkit source
>> Also verified that test fails when the fix for [JDK-8326989](https://bugs.openjdk.org/browse/JDK-8326989) is reverted.
>
> Gopal Pattnaik has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Addressed Review comments

Looks good.

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1719#pullrequestreview-2660948197