Pop\Graph\Graph::setFontSize PHP Method

    public function setFontSize($size)
    {
        $this->fontSize = (int) $size;
        return $this;
    }

 public function testSetFontSize()
 {
     $g = new Graph($this->imageOptions);
     $g->setFontSize(24);
     $this->assertEquals(24, $g->getFontSize());
 }