Kraken\_Unit\Promise\_Partial\ApiCancelPartial::testApiCancel_CancelsPromise_WhenAllChildrenCancelled PHP Method

    public function testApiCancel_CancelsPromise_WhenAllChildrenCancelled()
    {
        $deferred = $this->createDeferred();
        $test = $this->getTest();
        $promise = $deferred->getPromise()->then($test->expectCallableNever(), $test->expectCallableNever(), $test->expectCallableOnce());
        $child1 = $promise->then();
        $child2 = $promise->then();
        $child1->cancel();
        $child2->cancel();
    }