Ensure all supported SEPA zone countries are included.

[iamdharmesh]

All Submissions:

• Does your code follow the WooCommerce Sniffs variant of WordPress coding standards?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Will this change require new documentation or changes to existing documentation?

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Changes proposed in this Pull Request:

This PR adds the following missing countries from the SEPA Zone, which are supported by GoCardless as mentioned here.

• Andorra
• Aland Islands
• French Guiana
• Guadeloupe
• Martinique
• Mayotte
• Saint Barthélemy
• Saint Martin (French part)
• Réunion
• Saint Pierre and Miquelon
• Vatican City State
• Gibraltar
• Guernsey
• Jersey
• Isle of Man

Note

I couldn't find "Azores and Madeira" (parts of Portugal) and "Canary Islands and Ceuta and Melilla" (parts of Spain) in WooCommerce’s or GoCardless’ country dropdowns. These appear to be regions under their respective countries, so they seem to be already covered.

Closes #54

Steps to test the changes in this Pull Request:

Verify that the GoCardless Payment Gateway is available for the newly added countries and works as expected.

Changelog entry

Fix - Ensure all supported SEPA zone countries are included.

[qasumitbagthariya]

QA Update ✅

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I have verified this PR in the fix/54 branch, which has been fixed and is functioning as intended.

I tested the following on this branch:

• Supported SEPA zone countries

Screen.Recording.2025-05-12.at.1.41.38.PM.mov

Screen.Recording.2025-05-12.at.1.40.20.PM.mov

Testing Environment

• WordPress: 6.8
• Theme: Twenty Twenty-Four 1.3
• WooCommerce - 9.8.3
• PHP: 8.0.30
• Web Server: Nginx 1.20.2
• Browser: Chrome
• OS: macOS 15.2
• Branch: fix/54

Steps to Test- As mentioned in the PR description.
Test Results - It is working as expected.
Functional Demo / Screencast -
Special Notes - Ready for code review (Woo)
Testing Document status:
Cases related to this Issue/PR are added to the Critical Flow Wiki pages:

• Yes
• Not Required/Applicable for this PR

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[iamdharmesh]

@qasumitbagthariya Failing E2E tests are started passing now. 1 test is failing due to an issue with admin notices being suppressed on the payment gateway settings page as mentioned here.