[jdk17u-dev] RFR: 8292316: Tests should not rely on specific JAR file names (jpackage)

[Goetz Lindenmaier]

I backport this as it is needed by jtreg 7.
EnquoterTest.java is not in 17, clean otherwise.

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Commit messages:
 - Backport 45c3e898ed538545921395372fe507e9111401e1

Changes: https://git.openjdk.org/jdk17u-dev/pull/1460/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1460&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292316
  Stats: 153 lines in 12 files changed: 58 ins; 84 del; 11 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1460.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1460/head:pull/1460

PR: https://git.openjdk.org/jdk17u-dev/pull/1460