test/io/console/test_io_console.rb: fix short read failures
Running with TESTS=--no-retry, I sometimes get short reads leading to failures due to the use of IO#readpartial instead of IO#gets.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64248 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/io/console/test_io_console.rb: fix short read failures
Running with TESTS=--no-retry, I sometimes get short reads
leading to failures due to the use of IO#readpartial instead of
IO#gets.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64248 b2dd03c8-39d4-4d8f-98ff-823fe69b080e