RFR: 8373798: Refactor java/math tests to use JUnit

[Alan Bateman]

On Tue, 16 Dec 2025 14:38:07 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

> Replace testng framework with junit

test/jdk/java/math/BigDecimal/Constructor.java line 71:

> 69:                 } else {
> 70:                     throw nfe;
> 71:                 }

If you want, you could use `NumberFormatException nfe = assertThrows(..)` here, then assert the cause. That would avoid mixing JUnit asserts with explicit throw of RuntimeException.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28848#discussion_r2623633366