Tests: Improve Windows compatibility

[swissspidy]

Fixes a macOS-specific failure caused by /var vs /private/var path expansion

[github-actions]

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[gemini-code-assist]

Code Review

This pull request updates the scaffold plugin unit tests to use regex matching for error messages, improving flexibility in path validation. A review comment correctly identifies that hardcoded forward slashes in one of the new regex patterns will cause failures on Windows, suggesting a more generic pattern for better cross-platform compatibility.

[gemini-code-assist]

The regex uses hardcoded forward slashes (/) in the path wp-content/plugins/foo. On Windows, these separators are typically backslashes, which will cause the test to fail. Since this pull request is intended to improve Windows compatibility, the regex should be more flexible. Simplifying it to .*foo (matching the style used on line 271) would resolve this and maintain consistency across the test suite.

    Then STDERR should match #Error: Invalid plugin slug specified\. No such target directory '.*foo'\.#

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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