public function race_never_3()
{
$n1 = Observable::never();
$n2 = Observable::never();
$n3 = Observable::never();
$results = $this->scheduler->startWithCreate(function () use($n1, $n2, $n3) {
return Observable::race([$n1, $n2, $n3]);
});
$this->assertMessages([], $results->getMessages());
}