public function testConstructWithConfigError() {
		$base = Libraries::get(true, 'resources') . '/tmp/tests';
		$this->skipIf(!is_writable($base), "{$base} is not writable.");

		$stream = fopen($this->streams['error'], 'w');
		$response = new Response(array('error' => $stream));
		$this->assertTrue(is_resource($response->error));
		$this->assertEqual($stream, $response->error);
	}