text: import { sign } from 'dummy/helpers/sign';
  import { module, test } from 'qunit';
  
  module('Unit | Helper | sign', function () {
    test('it works', function (assert) {
      assert.equal(sign([-5]), -1, 'Negative returns -1');
  
      assert.equal(sign([5]), 1, 'Positive returns 1');
  
      assert.equal(String(sign(['foo'])), 'NaN', 'Invalid returns NaN');
    });
  });
  