Test 1 fails on completion of task.

npm run test:

>  1) 01 - HelloWorld should complete all tasks:

      AssertionError [ERR_ASSERTION]: Your React component shouldn't render any `div` HTML elements
      + expected - actual

      -false
      +true
      
      at Context.<anonymous> (test/01-HelloWorld.js:20:12)

Only change made to the boilerplate is       
`        <span>Hello World</span>
`