Update appveyor.yml

Scrum · web-flow · commit ddecdddca257 · 2017-11-07T17:21:59.000+03:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,6 +1,7 @@
 image: Visual Studio 2017
 environment:
   matrix:
+    - nodejs_version: "9"
     - nodejs_version: "8"
     - nodejs_version: "7"
     - nodejs_version: "6"
