RFR: 8306640: Open source several AWT TextArea related tests

[Tejesh R]

On Thu, 27 Apr 2023 07:28:37 GMT, Tejesh R <tr at openjdk.org> wrote:

>> I suggest checking and deleting this if the tests will work fine.
>
> Ok, will check that.

The is is failing for both linux and macos. Maybe because of `\r\n` direct check, so better to leave the test for windows alone.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13670#discussion_r1178910409