/**
* @return void
*/
public function testRegisterStyleShouldReuseAlreadyRegisteredStyles()
{
$style = (new StyleBuilder())->setFontBold()->build();
$styleHelper = new StyleHelper($this->defaultStyle);
$registeredStyle1 = $styleHelper->registerStyle($style);
$registeredStyle2 = $styleHelper->registerStyle($style);
$this->assertEquals(1, $registeredStyle1->getId());
$this->assertEquals(1, $registeredStyle2->getId());
}