1const t = require('tap')
2const { load: loadMockNpm } = require('../../fixtures/mock-npm')
3
4t.test('prefix', async t => {
5  const { joinedOutput, npm } = await loadMockNpm(t)
6  await npm.exec('prefix', [])
7  t.equal(
8    joinedOutput(),
9    npm.prefix,
10    'outputs npm.prefix'
11  )
12})
13