diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index b2ae742..313a819 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -34,7 +34,7 @@ jobs:
     - run: poetry run ruff format --check
     - run: poetry run ruff check
     - run: poetry run pyright --warnings
-    - run: poetry run pytest
+    - run: poetry run pytest -k ExternalCopyTest -x
     - uses: coverallsapp/github-action@v2
       if: github.event_name == 'pull_request' && matrix.python-version == '3.8'