Improve history test's encoding setting

ruby / irb

interactive Ruby

BSD 2-Clause "Simplified" License

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Closed monkeyWzr closed 1 month ago

monkeyWzr commented 1 month ago

Set stdio's encoding when changing default encoding in test_history_different_encodings
- This also fix the failed tests for https://github.com/ruby/reline/pull/765
Reset IRB.conf after tests completed