Recurr\Rule::getTimezone PHP Method

    public function getTimezone()
    {
        return $this->timezone;
    }

 public function testTimezoneObtainedFromStartDate()
 {
     $startDate = new \DateTime('2014-01-25 05:20:30', new \DateTimeZone('America/Los_Angeles'));
     $this->rule = new Rule(null, $startDate);
     $this->assertEquals($startDate->getTimezone()->getName(), $this->rule->getTimezone());
 }