diff --git a/webpack.config.js b/webpack.config.js
index 9db5d20793c1f3e9d2c66fcc774abd38d8fb8325..292c2e3b62e4cf3933bd0a59d2bee331e9c3b649 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -74,7 +74,10 @@ module.exports = (env, options) => {
   return {
     ...config,
     devServer: {
-      contentBase: './__tests__/integration/mirador',
+      contentBase: [
+        './__tests__/integration/mirador',
+        './__tests__/fixtures',
+      ],
       hot: true,
       port: 4444,
     },