test_transcode.rb: base encoding

* test/ruby/test_transcode.rb (TestTranscode#test_pseudo_encoding_inspect):
  test for proper base encoding.  [ruby-core:57318] [Bug #8940]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-09-24

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e