public function testResponsiveColumnsToBeDeterminedByBrowser()
 {
     $instance = new HtmlColumnListRenderer();
     $instance->setColumnListClass('foo-class')->setNumberOfColumns(2)->setColumnClass('bar-responsive')->setColumnRTLDirectionalityState(true)->setListType('ul');
     $instance->addContentsByNoIndex(array('Foo', 'Baz', 'Bar'));
     $expected = array('<div class="foo-class" dir="rtl"><div class="bar-responsive" style="width:100%;" dir="rtl">', '<ul start=1><li>Foo</li><li>Baz</li><li>Bar</li></ul></div> <!-- end column -->');
     $this->stringValidator->assertThatStringContains($expected, $instance->getHtml());
 }