Chore: fix test script

mysticatea · mysticatea · commit f98bd8875b1f · 2017-12-30T21:54:09.000+09:00
- To dedupe deps
diff --git a/circle.yml b/circle.yml
@@ -1,11 +1,11 @@
 machine:
   node:
-    version: 4
+    version: 8
 
 dependencies:
   pre:
     - nvm install 6
-    - nvm install 8
+    - nvm install 4
 
 test:
   override:
