React\Promise\PromiseTest\CancelTestTrait::cancelShouldRejectPromiseIfCancellerRejects PHP Method

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