Add tests

BusinessLayer/Services/ReviewAggregateResultService/IReviewAggregateResultService.cs

@@ -4,7 +4,7 @@ namespace BusinessLayer.Services.ReviewAggregateService
 {
     public interface IReviewAggregateResultService : IBaseService
     {
-        public Task<bool> DoesAggregateExist(params Guid[] ids);
+        public Task<bool> DoesAggregateExistAsync(params Guid[] ids);
 
         public Task<List<ReviewAggregateDTO>> GetAggregatesAsync(
             string orderBy = "",