public function testReturnMergedJson()
{
$this->message->type("json");
$result = $this->message->body(array("myvar1" => "val1"), array('encode' => true));
$this->assertIdentical('{"myvar1":"val1"}', $result);
$result = $this->message->body(array("myvar2" => "val2"), array('encode' => true));
$this->assertIdentical('{"myvar1":"val1","myvar2":"val2"}', $result);
}