CODETOOLS-7903250: RerunTest fails if no display is set

[jonathan-gibbons]

Please review a simple fix for a jtreg self-test, to set a dummy value for DISPLAY if no value already set.

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Progress

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Issue

• CODETOOLS-7903250: RerunTest fails if no display is set

Reviewers

• Iris Clark (@irisclark - Reviewer)

Reviewing

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$ git fetch https://git.openjdk.org/jtreg pull/101/head:pull/101
$ git checkout pull/101

Update a local copy of the PR:
$ git checkout pull/101
$ git pull https://git.openjdk.org/jtreg pull/101/head

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Checkout this PR locally:
$ git pr checkout 101

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Download this PR as a diff file:
https://git.openjdk.org/jtreg/pull/101.diff

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[mlbridge]

Webrevs

• 00: Full (b223b2cd)

[openjdk]

@jonathan-gibbons 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:

7903250: RerunTest fails if no display is set

Reviewed-by: iris

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[jonathan-gibbons]

/integrate

[openjdk]

Going to push as commit 292d24b.

[openjdk]

@jonathan-gibbons Pushed as commit 292d24b.

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