public function testFromJson()
{
$response = new Response();
$response->from(["a" => "b"]);
$this->assertStringEndsWith('{"a":"b"}', (string) $response);
$response->fromJson(["a" => "b", "c" => "d"]);
$this->assertStringEndsWith('{"a":"b","c":"d"}', (string) $response);
}
