[code-reflection] RFR: Use JUnit instead of TestNG

[Paul Sandoz]

On Fri, 12 Sep 2025 17:42:38 GMT, Mourad Abbay <mabbay at openjdk.org> wrote:

> Use JUnit instead of TestNG

One area we need to pay special attention to is the order of arguments of assert methods. junit and testng switch the order actual and expected parameters of such methods.

test/langtools/tools/javac/reflect/quoted/TestCaptureQuoted.java line 140:

> 138: 
> 139: 
> 140:     public static Object[][] ints() {

Can we directly return `IntStream`?

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PR Review: https://git.openjdk.org/babylon/pull/566#pullrequestreview-3218086965
PR Review Comment: https://git.openjdk.org/babylon/pull/566#discussion_r2345043694