diff --git a/test/setup.js b/test/setup.js
index d88c9ef..34fba67 100644
--- a/test/setup.js
+++ b/test/setup.js
@@ -9,6 +9,7 @@ global.supertest = supertest;
 
 before(function () {
   console.log('global setup');
+  process.chdir('test_data');
   const running = server({
     configPath: 'config.json',
     port: 8888,