QUnit.test('Date.getTwoDigitHour', function(assert) {
    assert.equal(new Date(2014, 6, 1, 9, 0).getTwoDigitHour(), '09', '9:00 am is 09');
    assert.equal(new Date(2014, 6, 1, 11, 0).getTwoDigitHour(), '11', '11:00 am is 11');
});