public function checkResponded()
{
$cardinality = $this->resetCardinality()->assertSingular();
$responseEvent = $this->call->responseEvent();
list($matchCount, $matchingEvents) = $this->matchIf($responseEvent, $responseEvent);
if ($cardinality->matches($matchCount, 1)) {
return $this->assertionRecorder->createSuccess($matchingEvents);
}
}