Fix issue regarding lost mount path (#1070)

* Fix issue regarding lost mount path

Can be tested by changing mountpath in [index.js](https://github.com/parse-community/parse-dashboard/blob/master/Parse-Dashboard/index.js#L35)

* add end to end test

* improve test

* Allow install from branch

* cr

Author: dplewis

.gitignore

@@ -11,3 +11,6 @@ npm-debug.log
 *.swp
 .env
 .idea/
+
+logs/
+test_logs

.travis.yml

@@ -3,7 +3,7 @@ node_js:
 - '10.14'
 before_install:
   - npm install -g greenkeeper-lockfile@1
-before_script: 
+before_script:
   - ./scripts/before_script.sh
   - greenkeeper-lockfile-update
 after_script:

Parse-Dashboard/parse-dashboard-config.json

@@ -1,6 +1,6 @@
 {
   "apps": [{
-    "serverURL": "http://localhost:1337/parse",
+    "serverURL": "http://localhost:1338/parse",
     "appId": "hello",
     "masterKey": "world",
     "appName": "",