Added Download decision comparator test to confirm quality is preferred over seeders

src/NzbDrone.Core.Test/DecisionEngineTests/PrioritizeDownloadDecisionFixture.cs

@@ -379,5 +379,34 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
             var qualifiedReports = Subject.PrioritizeDecisions(decisions);
             qualifiedReports.First().RemoteEpisode.Release.Should().Be(remoteEpisode1.Release);
         }
+
+        [Test]
+        public void should_prefer_quality_over_the_number_of_peers()
+        {
+            var remoteEpisode1 = GivenRemoteEpisode(new List<Episode> { GivenEpisode(1) }, new QualityModel(Quality.Bluray1080p));
+            var remoteEpisode2 = GivenRemoteEpisode(new List<Episode> { GivenEpisode(1) }, new QualityModel(Quality.SDTV));
+
+            var torrentInfo1 = new TorrentInfo();
+            torrentInfo1.PublishDate = DateTime.Now;
+            torrentInfo1.DownloadProtocol = DownloadProtocol.Torrent;
+            torrentInfo1.Seeders = 100;
+            torrentInfo1.Peers = 10;
+            torrentInfo1.Size = 200.Megabytes();
+
+            var torrentInfo2 = torrentInfo1.JsonClone();
+            torrentInfo2.Seeders = 1100;
+            torrentInfo2.Peers = 10;
+            torrentInfo1.Size = 250.Megabytes();
+
+            remoteEpisode1.Release = torrentInfo1;
+            remoteEpisode2.Release = torrentInfo2;
+
+            var decisions = new List<DownloadDecision>();
+            decisions.Add(new DownloadDecision(remoteEpisode1));
+            decisions.Add(new DownloadDecision(remoteEpisode2));
+
+            var qualifiedReports = Subject.PrioritizeDecisions(decisions);
+            ((TorrentInfo)qualifiedReports.First().RemoteEpisode.Release).Should().Be(torrentInfo1);
+        }
     }
 }