Function writeLines

test/tail.js:10–19

(fd, count)

const SPAWN_DELAY = 10;

function writeLines(fd, count) {
  for (let i = 0; i < count; i += 1) {
    fs.writeSync(
      fd,
      `line${i}
`
    );
  }
  fs.closeSync(fd);
}

describe('tail', () => {
  temp.track();