TorznabQuery: add IsTest flag

src/Jackett/Models/TorznabQuery.cs

@@ -25,6 +25,8 @@ namespace Jackett.Models
         public string Episode { get; set; }
         public string SearchTerm { get; set; }
 
+        public bool IsTest { get; set; }
+
         protected string[] QueryStringParts = null;
 
         public string SanitizedSearchTerm
@@ -56,6 +58,7 @@ namespace Jackett.Models
         public TorznabQuery()
         {
             Categories = new int[0];
+            IsTest = false;
         }
 
         public string GetQueryString()

src/Jackett/Services/IndexerManagerService.cs

@@ -126,6 +126,7 @@ namespace Jackett.Services
         {
             var indexer = GetIndexer(name);
             var browseQuery = new TorznabQuery();
+            browseQuery.IsTest = true;
             var results = await indexer.PerformQuery(browseQuery);
             results = indexer.CleanLinks(results);
             logger.Info(string.Format("Found {0} releases from {1}", results.Count(), indexer.DisplayName));