fix test failrues

library/ZendAfi/View/Helper/Accueil/Base.php

@@ -375,7 +375,7 @@ class ZendAfi_View_Helper_Accueil_Base extends ZendAfi_View_Helper_ModuleAbstrac
 		$options->width = $preferences['op_navigation_window_width'];
 		$options->height= $preferences['op_navigation_window_height'];
 		$options->strategy = $preferences['op_navigation_mode'];
-		$options->unit = $preferences['op_navigation_unit'];
+		$options->unit = isset($preferences['op_navigation_unit']) ? $preferences['op_navigation_unit'] : 'px';
 		$options->cycle = isset($preferences['op_navigation_cycle']) ? $preferences['op_navigation_cycle'] : 0 ;
 
 		Class_ScriptLoader::getInstance()

tests/library/ZendAfi/View/Helper/Accueil/CalendarTest.php

@@ -941,7 +941,8 @@ abstract class CalendarHelperDisplayModeTestCase extends CalendarViewHelperTestC
 																 'mode-affichage' => 'diaporama_navigation',
 																 'op_navigation_window_width' => '350',
 																 'op_navigation_window_height' => '250',
-																 'op_navigation_mode' => 'next_previous']];
+																 'op_navigation_mode' => 'next_previous',
+																 'op_navigation_unit' => 'px']];
 
 		$this->setupParams($params);
 		$helper = new ZendAfi_View_Helper_Accueil_Calendar(12, $params);
@@ -974,7 +975,7 @@ class CalendarHelperWithDiaporamaNavigationModeTest extends CalendarHelperDispla
 	public function sliderNavigationShouldBeCallForWidget12() {
 		$this->assertXPathContentContains($this->_head_script,
 																			'//script[@type="text/javascript"]',
-																			'$(function(){$("#boite_12").slider_navigation({"width":"350","height":"250","strategy":"next_previous","cycle":0});});',
+																			'$(function(){$("#boite_12").slider_navigation({"width":"350","height":"250","strategy":"next_previous","unit":"px","cycle":0});});',
 																			$this->_head_script);
 	}