…mperfit)This PR was merged into the 4.4 branch.Discussion----------[Lock] Legacy test should implement legacy interface| Q             | A| ------------- | ---| Branch?       | 4.4| Bug fix?      | no| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->| BC breaks?    | no     <!-- seehttps://symfony.com/bc -->| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->| Fixed tickets | no   <!-- #-prefixed issue number(s), if any -->| License       | MIT| Doc PR        | symfony/symfony-docs#... <!-- required for new features --><!--Replace this notice by a short README for your feature/bugfix. This will help peopleunderstand your PR and can be used as a start for the documentation.Additionally (seehttps://symfony.com/roadmap): - Bug fixes must be submitted against the lowest maintained branch where they apply   (lowest branches are regularly merged to upper ones so they get the fixes too). - Features and deprecations must be submitted against branch 4.4. - Legacy code removals go to the master branch.-->This was updated wrongly when working on the removing the interface usage.Commits-------920db2f [Lock] Legacy test should implement legacy interface