diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2ab48cd..07438cd 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -10,6 +10,9 @@ jobs:
   test:
     name: Run test suite
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: HelloWorld
     steps:
       - name: checkout code
         uses: actions/checkout@v3