RFR: 8282771 : Create test case for JDK-8262981 [v2]

[Alexandre Iline]

On Tue, 8 Mar 2022 05:10:51 GMT, lawrence.andrews <duke at openjdk.java.net> wrote:

>> Following methods are covered in this testcase
>> getAccessibleAction()
>> getAccessibleActionCount()
>> getAccessibleActionDescription()
>> doAccessibleAction(int direction) 
>> 
>> @shurymury
>
> lawrence.andrews has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Added command after the date

test/jdk/javax/swing/JSlider/8262981/JSliderAccessibleAction.java line 179:

> 177:         for (String laf : instLookAndFeels) {
> 178:             try {
> 179:                 invalidDecrementCountDownLatch = new CountDownLatch(1);

these fields are accessed both from EDT and the main test thread

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PR: https://git.openjdk.java.net/jdk/pull/7734