diff --git a/web-test-runner.config.js b/web-test-runner.config.js
index 618c45d..868cc16 100644
--- a/web-test-runner.config.js
+++ b/web-test-runner.config.js
@@ -23,6 +23,7 @@ export default {
       'test/fixtures/**',
       'node_modules/**',
       '.rum/**',
+      'src/**',
     ],
   },
   files: [