Fixed: Test All not clearing health error for clients

Co-Authored-By: Mark McDowall <markus101@users.noreply.github.com>

src/NzbDrone.Core/HealthCheck/Checks/DownloadClientCheck.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using NLog;
 using NzbDrone.Core.Download;
@@ -9,6 +9,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
     [CheckOn(typeof(ProviderAddedEvent<IDownloadClient>))]
     [CheckOn(typeof(ProviderUpdatedEvent<IDownloadClient>))]
     [CheckOn(typeof(ProviderDeletedEvent<IDownloadClient>))]
+    [CheckOn(typeof(ProviderStatusChangedEvent<IDownloadClient>))]
     public class DownloadClientCheck : HealthCheckBase
     {
         private readonly IProvideDownloadClient _downloadClientProvider;