RFR: 8328673: Convert closed text/html/CSS manual applet test to main [v3]

[Alexey Ivanov]

On Thu, 21 Mar 2024 14:41:50 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Couple closed manual applet text/html/CSS tests are converted to main based and opensourced
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comment update

Marked as reviewed by aivanov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18424#pullrequestreview-1952498525