Tier price on configurable product sorting sometimes wrong

[vshatylo]

Description (*)

Tier prices on configurable product have sorting that differ then in back office.

Fixed Issues (if relevant)

• Tier price on configurable product sorting sometimes wrong #12194: Tier price on configurable product sorting sometimes wrong

Manual testing scenarios (*)

1. edit option assigned to configurable product
2. add tier prices to option:

• all websites ; all groups ; qty 4; price 1
• all websites ; all groups ; qty 3; price 2
• all websites ; all groups ; qty 2; price 3

3. save option
4. visit configurable product detail page
   Tier Prices on frontend should be in displayed in same order as in back office

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @vshatylo. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
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[magento-engcom-team]

Hi @sivaschenko, thank you for the review.
ENGCOM-3913 has been created to process this Pull Request

[magento-engcom-team]

@vshatylo thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[ghost]

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[magento-engcom-team]

Hi @vshatylo. Thank you for your contribution.
We will aim to release these changes as part of 2.3.1.
Please check the release notes for final confirmation.