[ruby/io-wait] Fix usage of assert_raises -> assert_raise. (https://github.com/ruby/io-wait/pull/20)
assert_raises
assert_raise
https://github.com/ruby/io-wait/commit/c5c6abbb5c
[ruby/io-wait] Fix usage of
assert_raises->assert_raise. (https://github.com/ruby/io-wait/pull/20)https://github.com/ruby/io-wait/commit/c5c6abbb5c