public function testExecutesTasksInOrder()
{
$tq = new TaskQueue(false);
$called = [];
$tq->add(function () use(&$called) {
$called[] = 'a';
});
$tq->add(function () use(&$called) {
$called[] = 'b';
});
$tq->add(function () use(&$called) {
$called[] = 'c';
});
$tq->run();
$this->assertEquals(['a', 'b', 'c'], $called);
}
