RFR: 8328403: Remove applet usage from JColorChooser tests Test6977726 [v2]

[Alexander Zvegintsev]

On Wed, 20 Mar 2024 18:02:37 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Removing applet usage from manual JColorChooser tests
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   spacing

test/jdk/javax/swing/JColorChooser/Test6977726.java line 43:

> 41:                 .title("Test6977726")
> 42:                 .instructions("Check that there is an empty panel " +
> 43:                         "titled \"Preview\" in the JColorChooser.")

>there is an empty panel

This doesn't seem to be right, originally it was `If you don't see the preview panel, then test failed, otherwise it passed.`
The preview panel is not empty, it has barely visible white text.
![image](https://github.com/openjdk/jdk/assets/77687766/4d8706f6-1d7f-4229-9a20-bcaf85bb7737)

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PR Review Comment: https://git.openjdk.org/jdk/pull/18369#discussion_r1533969729