public function testApiRemoveTimer_RemovesTimer_WhenTimerDoesExist()
{
$collection = $this->createTimerCollection();
$tname = 'tname';
$timer = $this->createTimer();
$collection->addTimer($tname, $timer);
$this->assertTrue($collection->existsTimer($tname));
$collection->removeTimer($tname);
$this->assertFalse($collection->existsTimer($tname));
}