old_contents: import fs from 'fs';
  import test from 'ava';
  import pify from 'pify';
  import index from '../';
  
  test('every rule should defined in the index file and recommended settings', async t => {
    const files = await pify(fs.readdir, Promise)('../rules/');
    const rules = files.filter(file => file.indexOf('.js') === file.length - 3);
  
    rules.forEach(file => {
      const name = file.slice(0, -3);
      t.truthy(index.rules[name], `'${name}' is not exported in 'index.js'`);
      t.truthy(index.configs.recommended.rules[`fp/${name}`], `'${name}' is not set in the recommended config`);
    });
  
    t.is(Object.keys(index.rules).length, rules.length,
      'There are more exported rules than rule files.');
  });
  
  test('no-var should be turned on in the recommended settings', async t => {
    t.true(index.configs.recommended.rules['no-var'] === 'error');
  });
  
new_contents: import fs from 'fs';
  import test from 'ava';
  import pify from 'pify';
  import index from '../';
  
  test('every rule should defined in the index file and recommended settings', async t => {
    const files = await pify(fs.readdir, Promise)('../rules/');
    const rules = files.filter(file => file.indexOf('.js') === file.length - 3);
  
    rules.forEach(file => {
      const name = file.slice(0, -3);
      t.truthy(index.rules[name], `'${name}' is not exported in 'index.js'`);
      t.truthy(index.rules[name].meta.docs.description, `'${name}' does not have a description`);
      t.truthy(index.rules[name].meta.docs.recommended, `'${name}' does not have a recommended setting`);
      t.truthy(index.configs.recommended.rules[`fp/${name}`], `'${name}' is not set in the recommended config`);
    });
  
    t.is(Object.keys(index.rules).length, rules.length,
      'There are more exported rules than rule files.');
  });
  
  test('no-var should be turned on in the recommended settings', async t => {
    t.true(index.configs.recommended.rules['no-var'] === 'error');
  });
  
subject: Add tests to make sure each rule has a recommended setting and a description