Business\Tests\HolidaysTest::testAddHolidays PHP Method

    public function testAddHolidays()
    {
        $holiday = new \DateTime('2015-05-11');
        $holidayRange = new DateRange(new \DateTime('2015-07-08'), new \DateTime('2015-07-21'));
        $holidays = new Holidays();
        $holidays->addHolidays([$holiday]);
        $holidays->addHolidays($holidayRange);
        $this->assertTrue($holidays->isHoliday($holiday));
        $this->assertTrue($holidays->isHoliday(new \DateTime('2015-07-09 10:00')));
    }