RFR: 8352793: Open source several AWT TextComponent tests - Batch 1 [v3]

[Phil Race]

On Thu, 17 Apr 2025 09:54:27 GMT, Tejesh R <tr at openjdk.org> wrote:

>> Open source these AWT TextComponent tests:
>> 
>> java/awt/TextComponent/BackgroundTest/BackgroundTest.java
>> java/awt/TextComponent/DisableTest/DisableTest.java
>> java/awt/TextComponent/TextFieldMargin/TextFieldMargin.java
>> java/awt/TextComponent/ModifiersTest/ModifiersTest.java
>
> Tejesh R has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updated review comments

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24656#pullrequestreview-2776331626