text: // testing...
  const faxios = require('../../../lib')
  describe('in', function () {
    it('in(path)', function (done) {
      faxios()
        .baseURL('http://jsonplaceholder.typicode.com')
        .url('/posts')
        .method('post')
        .header('Authorization', 'your_token')
        .param('postId', 1)
        .data('key1', 'value1') // could be any key or value
  
        .in('config')
  
        .request()
  
        .then(config => {
          done(JSON.parse(config.data).key1 != 'value1')
        })
        .catch(err => done(err))
    })
  })
  
  