Update appveyor.yml

appveyor.yml

@@ -1,3 +1,7 @@
+version: "{build}"
+
+clone_depth: 10
+
 init:
   - git config --global core.autocrlf true
 
@@ -16,10 +20,18 @@ install:
   - ps: Install-Product node $env:nodejs_version $env:platform
   - npm install
 
+
+build: off
+
 test_script:
   - node --version
   - npm --version
-  - node .\\node_modules\\.bin\\mocha test\\*.js --reporter spec
+  - cmd: npm test
 
-build: off
+matrix:
+  fast_finish: true
 
+cache:
+  - C:\Users\appveyor\AppData\Roaming\npm\node_modules -> package.json  # global npm modules
+  - C:\Users\appveyor\AppData\Roaming\npm-cache -> package.json         # npm cache
+  - node_modules -> package.json                                        # local npm modules