[Test] Express backend

package.json

@@ -13,6 +13,11 @@
     "index.js",
     "defaultDbOptions.json"
   ],
+  "scripts": {
+    "test": "NODE_ENV=test mocha --recursive",
+    "test:watch": "NODE_ENV=test mocha --recursive --watch",
+    "prepublish": "npm run test"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/zalmoxisus/remotedev-server.git"
@@ -21,8 +26,8 @@
     "devtools",
     "remotedev"
   ],
-  "engines" : {
-    "node" : ">=4.0.0"
+  "engines": {
+    "node": ">=4.0.0"
   },
   "author": "Mihail Diordiev <zalmoxisus@gmail.com> (https://github.com/zalmoxisus)",
   "license": "MIT",
@@ -49,5 +54,10 @@
     "semver": "^5.3.0",
     "socketcluster": "^5.0.4",
     "sqlite3": "^3.1.8"
+  },
+  "devDependencies": {
+    "expect": "^1.20.2",
+    "mocha": "^3.2.0",
+    "supertest": "^2.0.1"
   }
 }