Function createFile

test/parallel/test-fs-promises-file-handle-op-errors.js:24–28

()

let count = 0;
async function createFile() {
  const filePath = tmpdir.resolve(`op_errors_${++count}.txt`);
  await writeFile(filePath, 'content');
  return filePath;
}

async function checkOperationError(op) {
  try {