diff --git a/IPython/html/tests/notebook/dualmode_markdown.js b/IPython/html/tests/notebook/dualmode_markdown.js
index e2d51c3..c9ecd6d 100644
--- a/IPython/html/tests/notebook/dualmode_markdown.js
+++ b/IPython/html/tests/notebook/dualmode_markdown.js
@@ -1,12 +1,6 @@
 
 // Test
 casper.notebook_test(function () {
-    this.is_rendered = function(i) {
-        return this.evaluate(function(i) {
-            return !!IPython.notebook.get_cell(i).rendered;
-        }, {i:i});
-    };
-
     var a = 'print("a")';
     var index = this.append_cell(a);
     this.execute_cell_then(index, function(index) {
@@ -15,29 +9,29 @@ casper.notebook_test(function () {
         this.validate_notebook_state('select ' + index, 'command', index);
         this.trigger_keydown('m');
         this.test.assertEquals(this.get_cell(index).cell_type, 'markdown', 'm; cell is markdown');
-        this.test.assert(!this.is_rendered(index), 'm; cell is unrendered');
+        this.test.assert(!this.is_cell_rendered(index), 'm; cell is unrendered');
         this.trigger_keydown('enter');
-        this.test.assert(!this.is_rendered(index), 'enter; cell is unrendered');
+        this.test.assert(!this.is_cell_rendered(index), 'enter; cell is unrendered');
         this.validate_notebook_state('enter', 'edit', index);
         this.trigger_keydown('ctrl-enter');
-        this.test.assert(this.is_rendered(index), 'ctrl-enter; cell is rendered');
+        this.test.assert(this.is_cell_rendered(index), 'ctrl-enter; cell is rendered');
         this.validate_notebook_state('enter', 'command', index);
         this.trigger_keydown('enter');
-        this.test.assert(!this.is_rendered(index), 'enter; cell is unrendered');
+        this.test.assert(!this.is_cell_rendered(index), 'enter; cell is unrendered');
         this.select_cell(index-1);
-        this.test.assert(!this.is_rendered(index), 'select ' + (index-1) + '; cell ' + index + ' is still unrendered');
+        this.test.assert(!this.is_cell_rendered(index), 'select ' + (index-1) + '; cell ' + index + ' is still unrendered');
         this.validate_notebook_state('select ' + (index-1), 'command', index-1);
         this.select_cell(index);
         this.validate_notebook_state('select ' + index, 'command', index);
         this.trigger_keydown('ctrl-enter');
-        this.test.assert(this.is_rendered(index), 'ctrl-enter; cell is rendered');
+        this.test.assert(this.is_cell_rendered(index), 'ctrl-enter; cell is rendered');
         this.select_cell(index-1);
         this.validate_notebook_state('select ' + (index-1), 'command', index-1);
         this.trigger_keydown('shift-enter');
         this.validate_notebook_state('shift-enter', 'command', index);
-        this.test.assert(this.is_rendered(index), 'shift-enter; cell is rendered');
+        this.test.assert(this.is_cell_rendered(index), 'shift-enter; cell is rendered');
         this.trigger_keydown('shift-enter'); // Creates one cell
         this.validate_notebook_state('shift-enter', 'edit', index+1);
-        this.test.assert(this.is_rendered(index), 'shift-enter; cell is rendered');
+        this.test.assert(this.is_cell_rendered(index), 'shift-enter; cell is rendered');
     });
 });
\ No newline at end of file
diff --git a/IPython/html/tests/util.js b/IPython/html/tests/util.js
index cb7a4f9..f6b2602 100644
--- a/IPython/html/tests/util.js
+++ b/IPython/html/tests/util.js
@@ -417,6 +417,12 @@ casper.cell_has_class = function(index, classes) {
     }, {i : index, c: classes});
 };
 
+casper.is_cell_rendered = function (index, msg) {
+    return this.evaluate(function(i) {
+        return !!IPython.notebook.get_cell(i).rendered;
+    }, {i:i});
+};
+
 casper.assert_colors_equal = function (hex_color, local_color, msg) {
     // Tests to see if two colors are equal.
     //