deno test output: tty ansi is not escaped

Deno.test({
  name: "partial update small screen",
  fn() {
    assertEquals(
      optimizedUpdate("hello", "xello\nworld", sizeSmallWidth),
      "\x1B[2Fx\x1B[4C\nworld",
    //'\x1b[0G\x1b[1C\x1b[1Fx\x1b[1C\nworld'
    );
  },
});