improve document model and propagate changes. This include the change of document fixtures to better reflect what the api is effectively returning
import { addOne } from '../../../helpers/add-one';
import { module, test } from 'qunit';
module('Unit | Helper | add one');
// Replace this with your real tests.
test('it works', function(assert) {
let result = addOne(42);
assert.equal(result, 43);
});