[ruby/irb] Add execute_lines to reduce command tests' boilerplate code (https://github.com/ruby/irb/pull/436)
https://github.com/ruby/irb/commit/1595337149
[ruby/irb] Add execute_lines to reduce command tests' boilerplate
code
(https://github.com/ruby/irb/pull/436)
https://github.com/ruby/irb/commit/1595337149