Add Yarn to Appveyor

simonsmith · simonsmith · commit 120a71dcba88 · 2017-03-03T12:12:57.000Z
diff --git a/appveyor.yml b/appveyor.yml
@@ -12,7 +12,7 @@ deploy: off
 
 install:
   - ps: Install-Product node $env:nodejs_version
-  - npm install
+  - yarn
 
 test_script:
   - node --version
