RFR: 8316146: Open some swing tests 4 [v7]

[Harshitha Onkar]

On Mon, 2 Oct 2023 22:03:21 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove util
>
> test/jdk/javax/swing/ToolTipManager/bug5078214.java line 30:
> 
>> 28:  * @library ../regtesthelpers /test/lib
>> 29:  * @build JRobot
>> 30:  * @build jtreg.SkippedException
> 
> Suggestion:
> 
>  * @library /test/lib
>  * @build jtreg.SkippedException
> 
> JRobot is not required for this test, it can be replaced with normal Robot calls and jtreg header can be modified as above.

As per convention it is better to place the `@key headful` at the start after `@test or @bug`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15875#discussion_r1343219354