Kraken\_Unit\Promise\_Partial\ApiCancelPartial::testApiCancel_CancelsPromise_InRightOrder PHP Метод

    public function testApiCancel_CancelsPromise_InRightOrder()
    {
        $deferred = $this->createDeferred();
        $test = $this->getTest();
        $str = '';
        $promise = $deferred->getPromise();
        $promise->then(null, null, function () use(&$str) {
            $str .= 'A';
        })->then(null, null, function () use(&$str) {
            $str .= 'B';
        });
        $promise->then(null, null, function () use(&$str) {
            $str .= 'C';
        });
        $promise->then(null, null, function () use(&$str) {
            $str .= 'D';
        });
        $promise->cancel();
        $test->assertEquals('ABCD', $str);
    }