[jdk17u-dev] RFR: 8310923: Refactor Currency tests to use JUnit [v2]

[Andrew Lu]

> I backport this for parity with 17.0.11-oracle.

Andrew Lu has updated the pull request incrementally with two additional commits since the last revision:

 - Backport e848d9471f5de86e5ac157b710cd7371f12f0024
 - Backport e848d9471f5de86e5ac157b710cd7371f12f0024

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2174/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2174/files/25230203..dc2eeb82

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2174&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2174&range=00-01

  Stats: 8 lines in 2 files changed: 2 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2174.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2174/head:pull/2174

PR: https://git.openjdk.org/jdk17u-dev/pull/2174