public function test_renderDataTable_shouldRenderSimpleDataTable()
{
$dataTable = new DataTable\Simple();
$dataTable->addRowsFromArray(array('nb_visits' => 3, 'nb_random' => 6));
$response = $this->jsonBuilder->renderDataTable($dataTable);
$this->assertEquals('{"nb_visits":3,"nb_random":6}', $response);
$this->assertNoJsonError($response);
}