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

    public function cancelShouldRejectPromiseWithExceptionIfCancellerThrows()
    {
        $e = new \Exception();
        $adapter = $this->getPromiseTestAdapter(function () use($e) {
            throw $e;
        });
        $mock = $this->createCallableMock();
        $mock->expects($this->once())->method('__invoke')->with($this->identicalTo($e));
        $adapter->promise()->then($this->expectCallableNever(), $mock);
        $adapter->promise()->cancel();
    }