Fixing more JS tests.

IPython/html/tests/casperjs/test_cases/execute_code_cell.js

@@ -31,11 +31,13 b' casper.notebook_test(function () {'
         var result = this.get_output_cell(0);
         var num_cells = this.get_cells_length();
         this.test.assertEquals(result.text, '11\n', 'cell execute (using ctrl-enter)');
-        this.test.assertEquals(num_cells, 1, '              ^--- does not add a new cell')
+        this.test.assertEquals(num_cells, 2, 'ctrl-enter adds a new cell at the bottom')
     });
     
     // do it again with the keyboard shortcut
     this.thenEvaluate(function () {
+        IPython.notebook.select(1);
+        IPython.notebook.delete_cell();
         var cell = IPython.notebook.get_cell(0);
         cell.set_text('a=12; print(a)');
         cell.clear_output();
@@ -48,7 +50,7 b' casper.notebook_test(function () {'
         var result = this.get_output_cell(0);
         var num_cells = this.get_cells_length();
         this.test.assertEquals(result.text, '12\n', 'cell execute (using shift-enter)');
-        this.test.assertEquals(num_cells, 2, '              ^--- adds a new cell')
+        this.test.assertEquals(num_cells, 1, 'shift-enter adds no new cell at the bottom')
     });
 
     // press the "play" triangle button in the toolbar

IPython/html/tests/casperjs/test_cases/merge_cells.js

@@ -4,11 +4,12 b''
 casper.notebook_test(function() {
     var output = this.evaluate(function () {
         // Fill in test data.
+        IPython.notebook.command_mode();
         var set_cell_text = function () {
             var cell_one = IPython.notebook.get_selected_cell();
             cell_one.set_text('a = 5');
             
-            IPython.notebook.insert_cell_below('code');
+            IPython.utils.press(IPython.keycodes.b)
             var cell_two = IPython.notebook.get_selected_cell();
             cell_two.set_text('print(a)');
         };
@@ -31,7 +32,7 b' casper.notebook_test(function() {'
     });
     
     this.test.assertEquals(output.above, 'a = 5\nprint(a)',
-                           'Successful insert_cell_above().');
+                           'Successful merge_cell_above().');
     this.test.assertEquals(output.below, 'a = 5\nprint(a)',
-                           'Successful insert_cell_below().');
+                           'Successful merge_cell_below().');
 });