public function testASuccessfulJsonResponseWillBeDecodedToAGraphNode()
{
$graphResponseJson = '{"id":"123","name":"Foo"}';
$response = new FacebookResponse($this->request, $graphResponseJson, 200);
$decodedResponse = $response->getDecodedBody();
$graphNode = $response->getGraphNode();
$this->assertFalse($response->isError(), 'Did not expect Response to return an error.');
$this->assertEquals(['id' => '123', 'name' => 'Foo'], $decodedResponse);
$this->assertInstanceOf('Facebook\\GraphNodes\\GraphNode', $graphNode);
}