Revert "add afterAll to make CI pass"

This reverts commit 3a9cb31e1f6039aecd428b2fc250b4b88a18ccfa.

See https://github.com/Human-Connection/Nitro-Backend/pull/88#discussion_r245157595

src/graphql-schema.test.js

@@ -8,17 +8,15 @@ let getHost
 let app
 let port
 
-beforeEach(async (done) => {
+beforeEach(async () => {
   const server = createServer({ mocks })
   app = await server.start({ port: 0 })
   port = app.address().port
   getHost = () => `http://127.0.0.1:${port}`
-  done()
 })
 
-afterAll(async (done) => {
+afterEach(async () => {
   await app.close()
-  done()
 })
 
 describe.only('login', () => {
@@ -33,50 +31,45 @@ describe.only('login', () => {
   }
 
   describe('given an existing user', () => {
-    beforeEach(async (done) => {
+    beforeEach(async () => {
       await create('user', {
         email: 'test@example.org',
         password: '1234'
       })
-      done()
     })
 
-    afterEach(async (done) => {
+    afterEach(async () => {
       await cleanDatabase()
-      done()
     })
 
     describe('asking for a `token`', () => {
       describe('with valid email/password combination', () => {
-        it('responds with a JWT token', async (done) => {
+        it('responds with a JWT token', async () => {
           const data = await request(getHost(), mutation({ email: 'test@example.org', password: '1234' }))
           const { token } = data.login
           jwt.verify(token, process.env.JWT_SECRET, (err, data) => {
             expect(data.email).toEqual('test@example.org')
             expect(err).toBeNull()
-            done()
           })
         })
       })
 
       describe('with a valid email but incorrect password', () => {
-        it('responds with "Incorrect email address or password."', async (done) => {
+        it('responds with "Incorrect email address or password."', async () => {
           try {
             await request(getHost(), mutation({ email: 'test@example.org', password: 'wrong' }))
           } catch (error) {
             expect(error.response.errors[0].message).toEqual('Incorrect email address or password.')
-            done()
           }
         })
       })
 
       describe('with a non-existing email', () => {
-        it('responds with "Incorrect email address or password."', async (done) => {
+        it('responds with "Incorrect email address or password."', async () => {
           try {
             await request(getHost(), mutation({ email: 'non-existent@example.org', password: 'wrong' }))
           } catch (error) {
             expect(error.response.errors[0].message).toEqual('Incorrect email address or password.')
-            done()
           }
         })
       })