Fix category action test

This was the same test as before -.-

webpack.common.babel.js

@@ -7,14 +7,14 @@ export default {
     main: ['./src/newsreader/js/index.js', './src/newsreader/scss/index.scss'],
   },
   output: {
-    path: resolve(__dirname, 'src', 'newsreader', 'static', 'js'),
-    filename: '[name].bundle.js',
+    path: resolve(__dirname, 'src', 'newsreader', 'static'),
+    filename: 'js/[name].bundle.js',
   },
   module: {
     rules: [
       {
         test: /\.(js|jsx)$/,
-        exclude: /(node_modules|bower_components)/,
+        exclude: /node_modules/,
         use: { loader: 'babel-loader' },
       },
       {
@@ -25,9 +25,11 @@ export default {
   },
   plugins: [
     new MiniCssExtractPlugin({
-      filename: './src/newsreader/static/css/[name].css',
+      filename: 'css/main.css',
       allChunks: true,
     }),
-    new CleanWebpackPlugin(),
+    new CleanWebpackPlugin({
+      cleanOnceBeforeBuildPatterns: ['**/*', '!favicon.png'],
+    }),
   ],
 };