public function testText()
{
$object = new TextElement();
$this->assertEquals('', $object->getText());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setText());
$this->assertEquals('', $object->getText());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setText('AAA'));
$this->assertEquals('AAA', $object->getText());
}