public function testShowErrorInMultiCheckbox() { $element = new Element\MultiCheckbox('hobby'); $element->setLabel("Hobby"); $element->setValueOptions(array('0' => 'working', '1' => 'coding')); $element->setMessages(array('Error message')); $markup = $this->helper->__invoke($element); $this->assertContains('<ul><li>Error message</li></ul>', $markup); }