Add tests

BusinessLayer/Services/ReviewService/ReviewService.cs

@@ -50,7 +50,7 @@ namespace BusinessLayer.Services.ReviewService
         {
             var review = await _dbContext.Reviews.FindAsync(id);
 
-            if (review is null)
+            if (review is null || review.DeletedAt is not null)
             {
                 return false;
             }