Doga Yuksel developed a GraphQL mock data model for the Quotes List View within the commercetools/test-data repository, focusing on enhancing QA and integration testing for the MC Settings service. Using TypeScript and leveraging API mocking techniques, Doga implemented a builder pattern, detailed field configurations, and comprehensive type definitions to generate realistic test data. The work included creating dedicated tests to validate the QuotesListView GraphQL API surface, ensuring reliable and consistent data for development and testing workflows. This contribution improved the speed and reliability of validation cycles, supporting more maintainable and robust testing practices across the MC Settings codebase.