Fix auth utils tests to work with new SDK

package.json

@@ -78,6 +78,7 @@
     "publish-release": "^1.3.3",
     "require-npm4-to-publish": "^1.0.0",
     "resin-lint": "^1.5.0",
+    "rewire": "^3.0.2",
     "ts-node": "^4.0.1",
     "typescript": "2.4.0"
   },

tests/auth/utils.spec.coffee

@@ -1,10 +1,13 @@
 m = require('mochainon')
 url = require('url')
 Promise = require('bluebird')
-resin = require('resin-sdk-preconfigured')
-utils = require('../../build/auth/utils')
+
 tokens = require('./tokens.json')
 
+rewire = require('rewire')
+utils = rewire('../../build/auth/utils')
+resin = utils.__get__('resin')
+
 describe 'Utils:', ->
 
 	describe '.getDashboardLoginURL()', ->
@@ -90,7 +93,9 @@ describe 'Utils:', ->
 
 				it 'should stay without a token', ->
 					utils.isTokenValid(tokens.johndoe.token).then ->
-						m.chai.expect(resin.token.get()).to.eventually.not.exist
+						resin.auth.isLoggedIn()
+					.then (isLoggedIn) ->
+						m.chai.expect(isLoggedIn).to.equal(false)
 
 		describe 'given the token does authenticate with the server', ->