[ruby/irb] Correct assert_equal's usage in completion tests
https://test-unit.github.io/test-unit/en/Test/Unit/Assertions.html#assert_equal-instance_method
https://github.com/ruby/irb/commit/00f90d40ad
Added by st0012 (Stan Lo) about 3 years ago
[ruby/irb] Correct assert_equal's usage in completion tests
https://test-unit.github.io/test-unit/en/Test/Unit/Assertions.html#assert_equal-instance_method
https://github.com/ruby/irb/commit/00f90d40ad