public function testGetSetVertical()
{
$object = new RichText();
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical());
$this->assertFalse($object->isVertical());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical(true));
$this->assertTrue($object->isVertical());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical(false));
$this->assertFalse($object->isVertical());
}