File contents are gzip'ed when they come back from TFS.

GitTfsTest/Fixtures/vtccds.cs

@@ -1,6 +1,7 @@
 // Generated by git-tfs-test-builder
 using System;
 using System.IO;
+using System.IO.Compression;
 using System.Text;
 using Sep.Git.Tfs.Core.TfsInterop;
 using Sep.Git.Tfs.Test.Integration;
@@ -117,20 +118,21 @@ namespace Sep.Git.Tfs.Test.Fixtures
 ;
         }
 
-        private static string Read(string itemContentHash)
+        private static byte[] Read(string itemContentHash)
         {
             if (itemContentHash == null)
-                return string.Empty;
+                return new byte[0];
 
             using (var stream = typeof(vtccds).Assembly.GetManifestResourceStream("Sep.Git.Tfs.Test.Fixtures.vtccds." + itemContentHash))
             {
                 if (stream == null)
                     throw new Exception("Fail: Can not find test file:" + itemContentHash);
-                using (var reader = new BinaryReader(stream))
+
+                using (var gzipReader = new GZipStream(stream, CompressionMode.Decompress))
                 {
-                    //ToDo: How to convert bytes to the expected string!?!
-                    var content = reader.ReadBytes((int)stream.Length);
-                    return Encoding.UTF8.GetString(content);
+                    var buffer = new MemoryStream();
+                    gzipReader.CopyTo(buffer);
+                    return buffer.ToArray();
                 }
             }
         }