Add test for executor

src/Managing.Application.Abstractions/Repositories/IUserRepository.cs

@@ -6,6 +6,7 @@ public interface IUserRepository
 {
     Task<User?> GetUserByAgentNameAsync(string agentName);
     Task<User> GetUserByNameAsync(string name, bool fetchAccounts = false);
+    Task<User?> GetUserByIdAsync(int userId);
     Task<IEnumerable<User>> GetAllUsersAsync();
     Task SaveOrUpdateUserAsync(User user);
 }