text: var stringHelper = require('./stringHelper');
  
  var assert = {
    equal: function(val1, val2) {
      return expect(val1).toEqual(val2);
    },
  };
  
  test('the replacement of Western Numerals with Eastern ones', function() {
    assert.equal(stringHelper.useEasternNumerals('11 بهمن 1397'), '۱۱ بهمن ۱۳۹۷');
  });
  