public function testChildrenSameName()
{
$root = new DataTreeList();
$root->setName('root');
$el1 = new NodeElement('a', 'b');
$el2 = new NodeElement('a', 'b');
$root->addTree($el1);
$root->addTree($el2);
$expected = '{"root":[{"a":"b"},{"a":"b"}]}';
$obitained = $this->sut->buildContent($root);
$this->assertEquals($expected, $obitained);
}