Fix tests by using meteortesting:mocha

With the workaround mentioned in
Meteor-Community-Packages/meteor-mocha#48

.gitignore

@@ -1 +1,2 @@
 node_modules
+test/**

package.js

@@ -23,10 +23,7 @@ Package.onTest(function test(api) {
   api.use(packages);
 
   api.use([
-    'coffeescript@1.12.7_3',
-    'practicalmeteor:mocha@2.4.5_6',
-    'dispatch:phantomjs-tests@=0.0.5',
-    'dispatch:mocha-phantomjs',
+    'meteortesting:mocha'
   ]);
 
   api.mainModule('specs/client.spec.js', 'client');

package.json

@@ -26,8 +26,9 @@
     "doctoc": "doctoc ./README.md",
     "eslint": "eslint ./lib ./specs",
     "publish": "meteor npm install && meteor npm run eslint -s && meteor npm run doctoc -s && rm -rf ./node_modules && meteor publish",
-    "test": "MOCHA_RUN_ORDER=serial meteor test-packages ./ --once --driver-package dispatch:mocha-phantomjs",
-    "test-watch": "MOCHA_RUN_ORDER=serial meteor test-packages ./ --driver-package practicalmeteor:mocha"
+    "setup-test": "rm -rf ./test && meteor create --bare test && cd test && meteor npm i --save selenium-webdriver@3 chromedriver",
+    "test": "meteor npm run setup-test && cd test && METEOR_PACKAGE_DIRS=../ TEST_BROWSER_DRIVER=chrome meteor test-packages --once --driver-package meteortesting:mocha ../",
+    "test-watch": "meteor npm run setup-test && cd test && TEST_WATCH=1 METEOR_PACKAGE_DIRS=../ TEST_BROWSER_DRIVER=chrome meteor test-packages --driver-package meteortesting:mocha ../"
   },
   "repository": {
     "type": "git",