ByteArray >> base64Encoded is no longer defined in Pharo 1.2, but used in the test Base64MimeConverterTest>>#testOnByteArray. It raise a DNU message.

I opened an Issue:�http://code.google.com/p/pharo/issues/detail?id=3027&q=base64Encoded&colspec=ID%20Type%20Status%20Summary%20Milestone%20Difficulty