fix tests

Test/Case/View/Helper/FormatHelperTest.php

@@ -161,7 +161,7 @@ class FormatHelperTest extends MyCakeTestCase {
 		$this->assertTextContains($expected, $result);
 
 		$result = $this->Format->yesNo(false);
-		$expected = '<img src="/img/icons/no.png" title="' . __d('tools', 'No') . '" alt=';
+		$expected = '<img src="/img/icons/no.gif" title="' . __d('tools', 'No') . '" alt=';
 		$this->assertTextContains($expected, $result);
 
 		$result = $this->Format->yesNo(true, ['on' => 1, 'onTitle' => 'foo']);

View/Helper/FormatHelper.php

@@ -1533,14 +1533,14 @@ if (!defined('ICON_MAP')) {
 	define('ICON_MAP', 'map.gif');
 }
 if (!defined('ICON_PREV')) {
-	define('ICON_PREV', 'prev.png');
+	define('ICON_PREV', 'nav_back.png');
 }
 if (!defined('ICON_NEXT')) {
-	define('ICON_NEXT', 'next.png');
-}
-if (!defined('ICON_NEXT_DISABLED')) {
-	define('ICON_NEXT_DISABLED', 'nav_forward_grey.png');
+	define('ICON_NEXT', 'nav_forward.png');
 }
 if (!defined('ICON_PREV_DISABLED')) {
 	define('ICON_PREV_DISABLED', 'nav_back_grey.png');
 }
+if (!defined('ICON_NEXT_DISABLED')) {
+	define('ICON_NEXT_DISABLED', 'nav_forward_grey.png');
+}