PhpOffice\PhpPresentation\Shape\RichText::getColumns PHP Method

    public function getColumns()
    {
        return $this->columns;
    }

 public function testColumns()
 {
     $object = new RichText();
     $value = rand(1, 16);
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setColumns($value));
     $this->assertEquals($value, $object->getColumns());
 }