tasks.js

var controller, stubbedFunction;
module("Todos.tasksController", {
  setup: function() {
    controller = Todos.tasksController;
  },

  teardown: function() {
    SC.RunLoop.begin();
    Todos.store.reset();
    SC.RunLoop.end();
  }
});

test("#countSummary - when there are no tasks", function() {
  stubbedFunction = controller.get;
  controller.get = CoreTest.stub('length', {action: function() { return 0;} });
  equals(controller.countSummary(), 'No Tasks', 'returns "No Tasks"');
  controller.get = stubbedFunction;
});

//ADDED THIS TEST
test("#countSummary - when there is one task", function() {
  stubbedFunction = controller.get;
  controller.get = CoreTest.stub('length', {action: function() { return 1;} });
  equals(controller.countSummary(), '1 Task', 'returns "1 Task"');
  controller.get = stubbedFunction;
});