public function testKeyboardButtonParameterSetting()
 {
     $button = new KeyboardButton('message');
     self::assertEmpty($button->getRequestContact());
     self::assertEmpty($button->getRequestLocation());
     $button->setRequestContact(true);
     self::assertTrue($button->getRequestContact());
     self::assertEmpty($button->getRequestLocation());
     $button->setRequestLocation(true);
     self::assertEmpty($button->getRequestContact());
     self::assertTrue($button->getRequestLocation());
 }