[ruby/irb] Fix dynamic_prompt test not executed, remove unnecessary set_input (https://github.com/ruby/irb/pull/585)
https://github.com/ruby/irb/commit/b5f3efdcf0
[ruby/irb] Fix dynamic_prompt test not executed, remove unnecessary
set_input
(https://github.com/ruby/irb/pull/585)
https://github.com/ruby/irb/commit/b5f3efdcf0