Delete backtest by id and with filters

src/Managing.Application.Abstractions/Services/IBacktester.cs

@@ -56,6 +56,7 @@ namespace Managing.Application.Abstractions.Services
         IEnumerable<Backtest> GetBacktestsByRequestId(string requestId);
         Backtest GetBacktestByIdForUser(User user, string id);
         bool DeleteBacktestByUser(User user, string id);
+        bool DeleteBacktestsByIdsForUser(User user, IEnumerable<string> ids);
         bool DeleteBacktestsByUser(User user);