[jdk17u-dev] RFR: 8340555: Open source DnD tests - Set4 [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.16-oracle.
> 
> Resolved ProblemList, probably clean.

Goetz Lindenmaier has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport 0dd49970428e08d35996752ba0878a97fb6f8530

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/3428/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/3428/files/fe0e8f4c..d1d35457

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3428&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3428&range=00-01

  Stats: 834 lines in 6 files changed: 834 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3428.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3428/head:pull/3428

PR: https://git.openjdk.org/jdk17u-dev/pull/3428