fix markdown test

test/test-markdown-element-attributes.html

@@ -38,9 +38,9 @@
 						Paragraph 2
 						<!-- {_class="fragment grow"} -->
 
-						- list item 1 <!-- {_class="fragment"} -->
-						- list item 2 <!-- {_class="fragment"} -->
-						- list item 3 <!-- {_class="fragment"} -->
+						- list item 1 <!-- {_class="fragment grow"} -->
+						- list item 2 <!-- {_class="fragment grow"} -->
+						- list item 3 <!-- {_class="fragment grow"} -->
 
 
 						---

test/test-markdown-element-attributes.js

@@ -19,7 +19,7 @@ Reveal.addEventListener( 'ready', function() {
 	});
 
 	test( 'Attributes on element list items in vertical slides', function() {
-		strictEqual( document.querySelectorAll( '.reveal .slides section>section li.fragment.roll-in' ).length, 3, 'found a vertical slide with three list items with class fragment.roll-in' );
+		strictEqual( document.querySelectorAll( '.reveal .slides section>section li.fragment.grow' ).length, 3, 'found a vertical slide with three list items with class fragment.grow' );
 	});
 
 	test( 'Attributes on element paragraphs in horizontal slides', function() {