public function testCanDecodeJson()
{
$data = ['foo' => 'bar'];
$json = json_encode($data);
$this->assertEquals($data, _elgg_services()->ajax->decodeJson($data));
$this->assertEquals((object) $data, _elgg_services()->ajax->decodeJson($json));
$this->assertEquals('abc', _elgg_services()->ajax->decodeJson('abc'));
}