💚 Add stub for static files

Author: QRaimbault

__test__/empty-module.js

@@ -0,0 +1 @@
+export default '';

package.json

@@ -44,6 +44,9 @@
     "transform": {
       "^.+\\.js$": "<rootDir>/node_modules/babel-jest",
       ".*\\.(vue)$": "<rootDir>/node_modules/vue-jest"
+    },
+    "moduleNameMapper": {
+      "\\.(css|jpg|jpeg|png|scss|sass|svg|eot|woff|woff2|ttf|otf|ico)$": "<rootDir>/__test__/empty-module.js"
     }
   },
   "dependencies": {

src/components/Index/Articles.spec.js

@@ -1,5 +1,5 @@
 import { shallow } from 'vue-test-utils'
-import Articles from 'Articles.vue';
+import Articles from './Articles.vue';
 
 describe('Articles.vue', () => {
   const articles = [