RFR: 8342098: Write a test to compare the images [v3]

[Alexey Ivanov]

On Mon, 21 Oct 2024 16:56:11 GMT, Naveen Narayanan <duke at openjdk.org> wrote:

>> I agree to @aivanov-jdk .
>
> Used the same logic as in `Util` class. 
> Added image width & height check now.

I meant _using `Util.compareBufferedImages`_ rather than copying the code.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21524#discussion_r1822793227