### issue_link https://github.com/flutter/flutter/issues/111285 ### Commit Hash cd83477 ### Target stable ### pr_link https://github.com/flutter/flutter/pull/111410 ### Impacted Users Package authors testing assets ### Impact Description Unit tests that load assets must not specify package prefix, this previously worked. ### Workaround Conditionally name assets based on test or production. ### Risk low ### Test Coverage yes ### Validation Steps Unit tests attached in PR.