Unit of work with repository design pattern issue resolve

How to resolve this issues.

An unhandled exception occurred while processing the request.

InvalidOperationException: Unable to resolve service for type 'UnitOfWorkWithRepositoryPartens.Interface.Repository.ITestRepository' while attempting to activate 'UnitOfWorkWithRepositoryPartens.BusinessServise.TestServise'.

Git repository - Git Repository link https://github.com/Kasunjith-Bimal/DesignPartens-

Issue

project structure and startup class

Git repository - Git Repository link https://github.com/Kasunjith-Bimal/DesignPartens-