Fix appveyor

appveyor.yml

@@ -27,5 +27,9 @@ init:
   # git clone の際の改行を変換しないようにします
   - git config --global core.autocrlf false
 
+before_test:
+  - "mkdir -p ./.config && cp ./.ci-files/default.yml ./.config && cp ./.ci-files/test.yml ./.config"
+  - "npm run build"
+
 test_script:
   - npm test