text: import test from 'ava'
  import { setenv } from '../lib'
  
  test('set environment variables', t => {
    setenv({
      A: 1,
      B: 2,
      C: 3
    })
  
    t.is(process.env.A, '1')
    t.is(process.env.B, '2')
    t.is(process.env.C, '3')
  })
  