React\Promise\PromiseTest\RejectTestTrait::doneShouldThrowExceptionProvidedAsRejectionValue PHP Method

    public function doneShouldThrowExceptionProvidedAsRejectionValue()
    {
        $adapter = $this->getPromiseTestAdapter();
        $this->setExpectedException('\\Exception', 'UnhandledRejectionException');
        $this->assertNull($adapter->promise()->done());
        $adapter->reject(new \Exception('UnhandledRejectionException'));
    }