Adding seed data for the test file

Now let's go ahead and add one thing to our test file. In order to get these methods to work, we're going to need seed data, we're going to need users that already exist otherwise we can't remove one or get one, and we definitely can't get a list of the rooms these non-existent users are in.

In order to fix that over inside user.test.js, we're going to add a beforeEach call, which we've used in the past. The beforeEach call, as we know, is going to get called before every single test case. It's going to help us initialize some data. Now the data we're going to initialize is going to be defined just above the beforeEach call, in a variable called users:

describe('Users', () => {  var users; beforeEach(() => ...

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