Encoding Error

gistfile1.txt

1)
Encoding.default_external with command line options is not changed by the -U option FAILED
Expected "UTF-8"
 to equal "US-ASCII"

/Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/expectations/expectations.rb:15:in `initialize': Expected "UTF-8"
 to equal "US-ASCII"
 (SpecExpectationNotMetError)
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/expectations/expectations.rb:15:in `raise'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/expectations/expectations.rb:15:in `fail_with'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/matchers/base.rb:8:in `=='
	from /Users/brandonfish/Documents/jruby/spec/ruby/core/encoding/default_external_spec.rb:34:in `block in <main>'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:69:in `instance_eval'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:69:in `protect'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:179:in `block in protect'
	from core:/core/rubinius/common/enumerable.rb:354:in `block in all?'
	from core:/core/rubinius/common/enumerable.rb:354:in `each'
	from core:/core/rubinius/common/enumerable.rb:354:in `all?'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:179:in `protect'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:215:in `block in process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:239:in `block in repeat'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:238:in `times'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:238:in `repeat'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:207:in `block in process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:206:in `each'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:206:in `process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:237:in `block in process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:237:in `each'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/context.rb:237:in `process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:38:in `describe'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/object.rb:11:in `describe'
	from /Users/brandonfish/Documents/jruby/spec/ruby/core/encoding/default_external_spec.rb:4:in `block in <main>'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/guards/feature.rb:43:in `with_feature'
	from /Users/brandonfish/Documents/jruby/spec/ruby/core/encoding/default_external_spec.rb:3:in `<main>'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:57:in `block in files'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:69:in `instance_eval'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:69:in `protect'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:57:in `block in files'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:51:in `each'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:51:in `files'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/runner/mspec.rb:43:in `process'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/commands/mspec-run.rb:92:in `run'
	from /Users/brandonfish/Documents/jruby/spec/mspec/lib/mspec/utils/script.rb:217:in `main'
	from /Users/brandonfish/Documents/jruby/spec/mspec/bin/mspec-run:8:in `<main>'