minor shortening

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

@@ -1,47 +1,45 b''
 //
 // Test kernel interrupt 
 //
 casper.notebook_test(function () {
     this.evaluate(function () {
         var cell = IPython.notebook.get_cell(0);
         cell.set_text('import time\nfor x in range(3):\n    time.sleep(1)');
         cell.execute();
     });
 
 
     // interrupt using menu item (Kernel -> Interrupt)
     this.thenClick('li#int_kernel');
 
     this.wait_for_output(0);
 
     this.then(function () {
         var result = this.evaluate(function () {
             var cell = IPython.notebook.get_cell(0);
-            var output = cell.output_area.outputs[0].ename;
-            return output;
+            return cell.output_area.outputs[0].ename;
         })
         this.test.assertEquals(result, 'KeyboardInterrupt', 'keyboard interrupt (mouseclick)');
     });
 
     // run cell 0 again, now interrupting using keyboard shortcut
     this.thenEvaluate(function () {
         cell.clear_output();
         cell.execute();
     });
 
     // interrupt using Ctrl-M I keyboard shortcut
     this.thenEvaluate( function() {
         IPython.utils.press_ghetto(IPython.utils.keycodes.I)
     });
     
     this.wait_for_output(0);
     
     this.then(function () {
         var result = this.evaluate(function () {
             var cell = IPython.notebook.get_cell(0);
-            var output = cell.output_area.outputs[0].ename;
-            return output;
+            return cell.output_area.outputs[0].ename;
         });
         this.test.assertEquals(result, 'KeyboardInterrupt', 'keyboard interrupt (shortcut)');
     });
 });