RFR: 8373935: Migrate java/lang/invoke tests away from TestNG [v2]

[Alan Bateman]

On Wed, 17 Dec 2025 21:41:50 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Refactor java/lang/invoke tests to use JUnit instead of TestNG.
>> This is done by:
>> 1. First a round of automatic conversion
>> 2. Simplify exception handling tests
>> 3. Replacing `assert` keyword and switching to better assertion APIs for equality etc.
>> 4. Some other random cleanups, such as module status
>> 
>> Testing: java/lang/invoke on Linux-x64. I un-problemlisted the updated `java/lang/invoke/lambda/LambdaFileEncodingSerialization.java` too.
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Some omissions

test/jdk/java/lang/invoke/DropLookupModeTest.java line 158:

> 156:             Integer.MIN_VALUE,
> 157:     })
> 158:     public void testBadInput(Integer modeToDrop) {

The ValueSource produces ints but the parameter to testBadInput is Integer. The original data provider test used Integer too so I assume this was just the conversion.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28879#discussion_r2629914346