Move test module instantiation to beforeEach

package.json

@@ -28,8 +28,6 @@
   },
   "devDependencies": {
     "browserify": "^10.2.3",
-    "chai": "^2.3.0",
-    "chai-jquery": "^2.0.0",
     "coffee-script": "^1.9.3",
     "coffeelint": "^1.10.1",
     "karma": "^0.12.35",
@@ -43,9 +41,7 @@
     "karma-phantomjs-launcher": "^0.2.0",
     "karma-spec-reporter": "0.0.19",
     "mocha": "^2.2.5",
-    "phantomjs": "^1.9.17",
-    "sinon": "^1.14.1",
-    "sinon-chai": "^2.7.0"
+    "phantomjs": "^1.9.17"
   },
   "license": "MIT"
 }

test/spec/RTCSpec.coffee

@@ -27,9 +27,6 @@ describe 'RTC', ->
 #      EventEmitter: ->
 #        on: sandbox.stub()
 
-  afterEach ->
-    sandbox.restore()
-
     RTC = require('../../modules/RTC/RTC.js', {
       'events': mock.events
       './RTCUtils.js': ->
@@ -44,6 +41,9 @@ describe 'RTC', ->
       '../../service/UI/UIEvents': ->
     })
 
+  afterEach ->
+    sandbox.restore()
+
   describe 'init', ->
 
     props =