Continue Test in case of validation warnings.

src/NzbDrone.Core/Indexers/Newznab/Newznab.cs

@@ -8,6 +8,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Parser;
 using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Indexers.Newznab
 {
@@ -91,8 +92,7 @@ namespace NzbDrone.Core.Indexers.Newznab
         protected override void Test(List<ValidationFailure> failures)
         {
             base.Test(failures);
-
-            if (failures.Any()) return;
+            if (failures.HasErrors()) return;
             failures.AddIfNotNull(TestCapabilities());
         }