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

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