to debug https://ci.appveyor.com/project/ruby/ruby/builds/20566898/job/hda29416yal9h6hn use binary search

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/main/using_spec.rb

@@ -3,6 +3,7 @@ require_relative 'fixtures/classes'
 
 describe "main.using" do
   it "requires one Module argument" do
+=begin
     lambda do
       eval('using', TOPLEVEL_BINDING)
     end.should raise_error(ArgumentError)
@@ -10,6 +11,7 @@ describe "main.using" do
     lambda do
       eval('using "foo"', TOPLEVEL_BINDING)
     end.should raise_error(TypeError)
+=end
   end
 
   it "uses refinements from the given module only in the target file" do