deno

592a3f6b - fix(tests): update tty_test isTTY assertion to match Node.js behavior

fix(tests): update tty_test isTTY assertion to match Node.js behavior isTTY is `true` for TTY streams and `undefined` for non-TTY, not `false`. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>