diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 281d85f..8b5fed4 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -33,7 +33,33 @@ jobs:
         with:
           python-version: 3.12
           cache: pip
-      - name: Install Nox and group dependencies
+      - name: Install dev group dependencies
         run: pip install '.[dev]'
       - name: Test with Nox
         run: nox -s mypy-3.12
+  coverage:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+          cache: pip
+      - name: Install dev group dependencies
+        run: pip install '.[dev]'
+      - name: Install package in place
+        run: pip install -e .
+      # We are not testing with Nox because Nox / Pytest / Coverage and CodeCov
+      # have a weird cross interaction.  It doesn't matter for us anyway because we use only
+      - name: Test with py test
+        run: pytest -n auto --cov --junitxml=junit.xml
+      - name: Upload results to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 020e7d2..eb94673 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,6 +40,7 @@ dev = [
   "pytest==8.3.2",
   "pytest-cov==5.0.0",
   "pytest_sugar==1.0.0",
+  "pytest-xdist==3.6.1",
   "xsdata[cli]==24.7",
   "ruff==0.5.5"
 ]
diff --git a/src/greenbutton_objects/parse.py b/src/greenbutton_objects/parse.py
index 6cac61d..351c9d7 100755
--- a/src/greenbutton_objects/parse.py
+++ b/src/greenbutton_objects/parse.py
@@ -10,6 +10,10 @@
 from greenbutton_objects.feed.feed import ObjectFeed
 
 
+def untested_function(filename: str) -> str:
+    return filename.capitalize()
+
+
 def parse_feed(filename: str) -> ObjectFeed:
     data = parse_xml(filename)