fixed broken tests.

NzbDrone.Core.Test/MediaFileTests/EpisodeImportTests/ImportDecisionMakerFixture.cs

@@ -5,6 +5,7 @@
 using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.DecisionEngine;
+using NzbDrone.Core.MediaFiles;
 using NzbDrone.Core.MediaFiles.EpisodeImport;
 using NzbDrone.Core.Parser;
 using NzbDrone.Core.Parser.Model;
@@ -66,6 +67,11 @@ public void Setup()
             Mocker.GetMock<IParsingService>().Setup(c => c.GetEpisodes(It.IsAny<String>(), It.IsAny<Series>()))
                   .Returns(_localEpisode);
 
+
+            Mocker.GetMock<IMediaFileService>()
+                .Setup(c => c.FilterExistingFiles(_videoFiles, It.IsAny<int>()))
+                .Returns(_videoFiles);
+
         }
 
         private void GivenSpecifications(params Mock<IImportDecisionEngineSpecification>[] mocks)