public function testRemoveAllListenersWithMultipleEvents()
{
$result = false;
$callback = function () use(&$result) {
$result = true;
};
Events::on('foo', $callback);
Events::on('bar', $callback);
Events::removeAllListeners();
$this->assertEquals([], Events::listeners('foo'));
$this->assertEquals([], Events::listeners('bar'));
}
