message: new test for event handlers
diff: @@ -11,3 +11,17 @@ test('events passed into .on should trim whitespace', () => {
  expect(controller.events.toot).toBeDefined();
  });
  +
  +
  +test('events to accumulate appropriately', () => {
  +
  + const controller = botkit.core({});
  + controller.on('hello, test,toot ', function() {});
  + controller.on('hello ', function() {});
  + controller.on('test ', function() {});
  +
  + expect(controller.events.hello.length).toBe(2);
  + expect(controller.events.test.length).toBe(2);
  + expect(controller.events.toot.length).toBe(1);
  +
  +});
  