Fix up acceptance tests

services/web/test/acceptance/coffee/SessionTests.coffee

@@ -263,21 +263,8 @@ describe "Sessions", ->
 			@user3 = new User()
 			@user3.email = @user1.email
 			@user3.password = @user1.password
-			v1Id = 2345
-			v1User2 = {
-				id: v1Id,
-				email: @user2.email,
-				password: @user2.password,
-				profile:
-					id: v1Id,
-					email: @user2.email
-			}
 			async.series [
 				@user2.login.bind(@user2)
-				(cb) => @user2.mongoUpdate {$set: {'overleaf.id': v1Id}}, cb
-				(cb) =>
-					MockV1Api.setUser v1Id, v1User2
-					cb()
 				@user2.activateSudoMode.bind(@user2)
 			], done
 

services/web/test/acceptance/coffee/helpers/MockV1Api.coffee

@@ -78,14 +78,14 @@ module.exports = MockV1Api =
 
 		app.post "/api/v1/sharelatex/login", (req, res, next) =>
 			for id, user of @users
-				if user.email == req.body.email && user.password == req.body.password
+				if user? && user.email == req.body.email && user.password == req.body.password
 					return res.json {
 						email: user.email,
 						valid: true,
 						user_profile: user.profile
 					}
 			return res.status(403).json {
-				email: user.email,
+				email: req.body.email,
 				valid: false
 			}