RFR: 8343453: Modernize FloatingDecimal tests [v3]

[Joe Darcy]

On Thu, 14 Nov 2024 13:28:57 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> Simplify tests.
>
> Raffaello Giulietti has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - Cosmetic change.
>  - Merge branch 'master' into 8343453
>  - Remove test jdk/jdk/internal/math/ToString.java as well.
>  - Merge branch 'master' into 8343453
>  - 8343453: Modernize FloatingDecimal tests

Marked as reviewed by darcy (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/21840#pullrequestreview-2453268725