[jdk17u-dev] RFR: 8307083: Open source some drag and drop tests 3

[Chad Rakoczy]

Backport for [JDK-8307083](https://bugs.openjdk.org/browse/JDK-8307083)
Open source some drag and drop tests
Clean test-only backport
tier1 tested with GHA
tier2 tested on linux

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Commit messages:
 - Backport 1b154e4fd361103936f976db72e04b73aa7b1077

Changes: https://git.openjdk.org/jdk17u-dev/pull/1531/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1531&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307083
  Stats: 895 lines in 4 files changed: 895 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1531.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1531/head:pull/1531

PR: https://git.openjdk.org/jdk17u-dev/pull/1531