[Truffle] Failing encoding spec.

Author: chrisseaton

spec/truffle/tags/core/encoding/default_external_tags.txt

@@ -4,3 +4,5 @@ windows:Encoding.default_external with command line options returns the encoding
 slow:Encoding.default_external with command line options is not changed by the -U option
 slow:Encoding.default_external with command line options returns the encoding specified by '-E external'
 slow:Encoding.default_external with command line options returns the encoding specified by '-E external:'
+fails:Encoding.default_external with command line options is not changed by the -U option
+fails:Encoding.default_external with command line options returns the encoding specified by '-E external:'