8342609: jpackage test helper function incorrectly removes a directory instead of its contents only

[GoeLin]

I backport this for parity with 21.0.7-oracle.

Resolved Copyright, probably clean anyways.

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• JDK-8342609 needs maintainer approval
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 ⚠️ Found leading lowercase letter in issue title for 8342609: jpackage test helper function incorrectly removes a directory instead of its contents only

Issue

• JDK-8342609: jpackage test helper function incorrectly removes a directory instead of its contents only (Bug - P4 - Approved)

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[openjdk]

@GoeLin This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8342609: jpackage test helper function incorrectly removes a directory instead of its contents only

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At the time when this comment was updated there had been 10 new commits pushed to the master branch:

• 36b067c: 8345414: Google CAInterop test failures
• 182e949: 8342602: Remove JButton/PressedButtonRightClickTest test
• fe9284a: 8343101: Rework BasicTest.testTemp test cases
• 85e5a5c: 8335288: SunPKCS11 initialization will call C_GetMechanismInfo on unsupported mechanisms
• bf86b34: 8328553: Get rid of JApplet in test/jdk/sanity/client/lib/SwingSet2/src/DemoModule.java
• 173c3d3: 8333647: C2 SuperWord: some additional PopulateIndex tests
• 3aa331d: 8326421: Add jtreg test for large arrayCopy disjoint case.
• f3e7bb4: 8329210: Delete Redundant Printer Dialog Modality Test
• d91dba3: 8315883: Open source several Swing JToolbar tests
• a98f9cf: 8316056: Open source several Swing JTree tests

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[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @GoeLin This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

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• 00: Full (899c6b4f)