Fixing references to IPython.keycodes.

IPython/html/tests/notebook/arrow_keys.js

@@ -5,9 +5,9 b' casper.notebook_test(function () {'
     var result = this.evaluate(function() {
         IPython.notebook.command_mode();
         pos0 = IPython.notebook.get_selected_index();
-        IPython.utils.press(IPython.keycodes.b)
+        IPython.utils.press(IPython.keyboard.keycodes.b)
         pos1 = IPython.notebook.get_selected_index();
-        IPython.utils.press(IPython.keycodes.b)
+        IPython.utils.press(IPython.keyboard.keycodes.b)
         pos2 = IPython.notebook.get_selected_index();
         // Simulate the "up arrow" and "down arrow" keys.
         IPython.utils.press_up();

IPython/html/tests/notebook/merge_cells.js

@@ -9,7 +9,7 b' casper.notebook_test(function() {'
             var cell_one = IPython.notebook.get_selected_cell();
             cell_one.set_text('a = 5');
             
-            IPython.utils.press(IPython.keycodes.b)
+            IPython.utils.press(IPython.keyboard.keycodes.b)
             var cell_two = IPython.notebook.get_selected_cell();
             cell_two.set_text('print(a)');
         };