RFR: 8373913: Refactor serialization tests to use JUnit [v2]

[Roger Riggs]

On Mon, 12 Jan 2026 18:53:54 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Cleanup arglist and fix code style
>
> test/jdk/java/io/Serializable/serialFilter/SerialFilterFactoryTest.java line 182:
> 
>> 180:     @EnabledIf("isValidFilterFactory")
>> 181:     @MethodSource("filterCases")
>> 182:     @Order(1)
> 
> This could be a relative order, such as `Order.DEFAULT - 1`, instead of 1 vs 99?

I haven't found any documentation of Order.DEFAULT indicating its recommended usage.
Nor any existing usages in OpenJDK.
Its value is a very large positive number. 0x3fffffff about 1/2 way to Integer.MAX_VALUE

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PR Review Comment: https://git.openjdk.org/jdk/pull/28877#discussion_r2683790748