#6607 Update description entity repo to use mockery Pull request opened by Sovietaced ## Tracking issue Related to #149 ## Why are the changes needed? Auto generated mocks are nicer ## What changes were proposed in this pull request? Remove hand made description entity repo mock and generate with mockery ## How was this patch tested? Unit tests ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. ## Related PRs ## Docs link https://bito.ai#summarystart| ### Summary by Bito This pull request updates the description entity repository to use auto-generated mocks via mockery, replacing hand-crafted mocks. This enhancement improves maintainability, consistency, and reduces manual errors in testing. All related unit tests have been updated to ensure functionality remains reliable. flyteorg/flyte