No mention of having to fix tests for notifications in Lab 7

[tmartensen]

It seems that once someone is finished with Lab 7, there are a bunch of tests in test/unit/app/employees/controllers.spec.js that fail after all the lab instructions are finished. Recommend adding instructions for the lab to adding instructions for injecting the notifications service into the beforeEach where the api is being injected, as well as the two notifications stubs, and an example of how to tell if the notification stubs have been called or not:
Injector:

var notifications = $injector.get('notifications');

Stubs:

success: sinon.stub(notifications, 'success'),
error: sinon.stub(notifications, 'error')

Stubbing examples:

expect(spies.success).to.have.been.called;
expect(spies.error).to.not.have.been.called;