For it('should find user'), I'm going to get started by making a variable called userId and I'm going to set this equal to the ID I want to use. I need a valid ID so I'm going to go ahead and use 2. 1, 2, or 3 would have worked here:
it('should find user', () => { var userId = '2';});
Next up I am going to go ahead and make a user variable, this is going to be the return result from getUser. I'll set it equal to users.getUser, and we're going to try to fetch a user whose ID is 2 by passing in userId:
it('should find user', () => { var userId = '2'; var user = users.getUser(userId);});
Now the next thing we're going to do is make an assertion about what we get back, we should have gotten our object back and we ...