public function testApiSetData_SetsArbitraryData()
{
$data = new StdClass();
$data->a = 'A';
$data->b = 'B';
$timer = $this->createTimer(1, function () {
});
$this->assertSame(null, $timer->getData());
$timer->setData($data);
$this->assertSame($data, $timer->getData());
}