8287463: JFR: Disable TestDevNull.java on Windows

[kvergizova]

I'd like to backport JDK-8287463 to 11u.
This test-only fix disables jdk/jfr/api/recording/dump/TestDumpDevNull.java test on Windows.
Without this fix the test fails with "java.nio.file.NoSuchFileException: \dev\null".
The test is added by JDK-8282947 which is already backported to 11u.
The patch applies cleanly.

---

Progress

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Issue

• JDK-8287463: JFR: Disable TestDevNull.java on Windows

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev pull/1347/head:pull/1347
$ git checkout pull/1347

Update a local copy of the PR:
$ git checkout pull/1347
$ git pull https://git.openjdk.org/jdk11u-dev pull/1347/head

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Checkout this PR locally:
$ git pr checkout 1347

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Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/1347.diff

[bridgekeeper]

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[openjdk]

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

[openjdk]

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

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

8287463: JFR: Disable TestDevNull.java on Windows

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[mlbridge]

Webrevs

• 00: Full (f0e84b40)

[kvergizova]

/integrate

[openjdk]

Going to push as commit 9186b3c.

[openjdk]

@kvergizova Pushed as commit 9186b3c.

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