diff --git a/notebook/tests/notebook/merge_cells_api.js b/notebook/tests/notebook/merge_cells_api.js
deleted file mode 100644
index 665a9d1ef9..0000000000
--- a/notebook/tests/notebook/merge_cells_api.js
+++ /dev/null
@@ -1,43 +0,0 @@
-//
-// Test merging two notebook cells.
-//
-casper.notebook_test(function() {
-    var that = this;
-    var set_cells_text =  function () {
-        that.evaluate(function() {
-            var cell_one = IPython.notebook.get_selected_cell();
-            cell_one.set_text('a = 5');
-        });
-
-        that.trigger_keydown('b');
-
-        that.evaluate(function() {
-            var cell_two = IPython.notebook.get_selected_cell();
-            cell_two.set_text('print(a)');
-        });
-    };
-
-    this.evaluate(function () {
-        IPython.notebook.command_mode();
-    });
-        
-    // merge_cell_above()
-    set_cells_text();
-    var output_above = this.evaluate(function () {
-        IPython.notebook.merge_cell_above();
-        return IPython.notebook.get_selected_cell().get_text();
-    });
-        
-    // merge_cell_below()
-    set_cells_text();
-    var output_below = this.evaluate(function() {
-        IPython.notebook.select(0);
-        IPython.notebook.merge_cell_below();
-        return IPython.notebook.get_selected_cell().get_text();
-    });
-    
-    this.test.assertEquals(output_above, 'a = 5\n\nprint(a)',
-                           'Successful merge_cell_above().');
-    this.test.assertEquals(output_below, 'a = 5\n\nprint(a)',
-                           'Successful merge_cell_below().');
-});
diff --git a/notebook/tests/selenium/test_merge_cells.py b/notebook/tests/selenium/test_merge_cells.py
new file mode 100644
index 0000000000..1c3c68dd93
--- /dev/null
+++ b/notebook/tests/selenium/test_merge_cells.py
@@ -0,0 +1,32 @@
+"""Tests the merge cell api."""
+
+def test_merge_cells(notebook):
+    # Add cells to notebook
+    a = "foo = 5"
+    b = "bar = 10"
+    c = "print(foo)"
+    d = "print(bar)"
+    notebook.edit_cell(index=0, content=a)
+    notebook.append(b, c, d)
+
+    # Before merging, there are 4 separate cells
+    assert notebook.get_cells_contents() == [a, b, c, d]
+
+    # Focus on the second cell and merge it with the cell above
+    notebook.focus_cell(1)
+    notebook.browser.execute_script("Jupyter.notebook.merge_cell_above();")
+    merged_a_b = "%s\n\n%s" % (a, b)
+    assert notebook.get_cells_contents() == [merged_a_b, c, d]
+
+    # Focus on the second cell and merge it with the cell below
+    notebook.focus_cell(1)
+    notebook.browser.execute_script("Jupyter.notebook.merge_cell_below();")
+    merged_c_d = "%s\n\n%s" % (c, d)
+    assert notebook.get_cells_contents() == [merged_a_b, merged_c_d]
+
+    # Merge everything down to a single cell
+    notebook.focus_cell(0)
+    notebook.browser.execute_script("Jupyter.notebook.merge_cell_below();")
+    merged_all = "%s\n\n%s" % (merged_a_b, merged_c_d)
+    assert notebook.get_cells_contents() == [merged_all]
+