Location\Formatter\Coordinate\DecimalMinutes::setDigits PHP Method

    public function setDigits($digits)
    {
        $this->digits = $digits;
        return $this;
    }

 /**
  * @covers Location\Formatter\Coordinate\DMS::format
  */
 public function testSetDigits()
 {
     $coordinate = new Coordinate(-18.911306, -155.678268);
     $this->formatter->setDigits(2);
     $this->assertEquals("-18° 54.68′ -155° 40.70′", $this->formatter->format($coordinate));
 }