public function testPrependGroupNameOnInsertBefore()
 {
     $foo = new HTML_QuickForm2_Container_Group('foo');
     $fooBar = $foo->insertBefore(HTML_QuickForm2_Factory::createElement('text', 'bar'));
     $this->assertEquals('foo[bar]', $fooBar->getName());
     $fooBaz = $foo->insertBefore(HTML_QuickForm2_Factory::createElement('text', 'baz'), $fooBar);
     $this->assertEquals('foo[baz]', $fooBaz->getName());
 }