test(jest): fix css import

Author: klarkc

template/jest.config.js

@@ -37,6 +37,9 @@ module.exports = {
         'json',
         'vue',
       ],
+      moduleNameMapper: {
+        '\\.(css|less|scss|sass)$': 'identity-obj-proxy',
+      },
       transform: {
         '^.+\\.js$': 'babel-jest',
         '^.+\\.vue$': 'vue-jest',

template/package.json

@@ -67,6 +67,7 @@
     "gulp-babel": "^6.1.2",
     "gulp-connect": "^5.0.0",
     "gulp-sourcemaps": "^2.6.0",
+    "identity-obj-proxy": "^3.0.0",
     "jest": "^22.4.4",
     "jest-plugins": "^2.9.0",
     "jest-preset-loopback": "^1.0.0",