React\Promise\PromiseTest\CancelTestTrait::cancelShouldFulfillPromiseIfCancellerFulfills PHP Метод

    public function cancelShouldFulfillPromiseIfCancellerFulfills()
    {
        $adapter = $this->getPromiseTestAdapter(function ($resolve) {
            $resolve(1);
        });
        $mock = $this->createCallableMock();
        $mock->expects($this->once())->method('__invoke')->with($this->identicalTo(1));
        $adapter->promise()->then($mock, $this->expectCallableNever());
        $adapter->promise()->cancel();
    }