Add another test to ensure removal from directories

src/NzbDrone.Core.Test/RootFolderTests/RootFolderServiceFixture.cs

@@ -106,7 +106,13 @@ namespace NzbDrone.Core.Test.RootFolderTests
         {
             Mocker.GetMock<IDiskProvider>()
                   .Setup(s => s.GetDirectories(It.IsAny<String>()))
-                  .Returns(new string[] {@"C:\30 Rock".AsOsAgnostic(), @"C:\$Recycle.Bin".AsOsAgnostic(), @"C:\.AppleDouble".AsOsAgnostic()});
+                  .Returns(new string[]
+                           {
+                               @"C:\30 Rock".AsOsAgnostic(),
+                               @"C:\$Recycle.Bin".AsOsAgnostic(),
+                               @"C:\.AppleDouble".AsOsAgnostic(), 
+                               @"C:\Test\.AppleDouble".AsOsAgnostic()
+                           });
 
             Mocker.GetMock<ISeriesService>()
                   .Setup(s => s.GetAllSeries())