diff --git a/.github/workflows/herding_cats_explorer_tests.yml b/.github/workflows/herding_cats_explorer_tests.yml
index 3767e47..bf41a63 100644
--- a/.github/workflows/herding_cats_explorer_tests.yml
+++ b/.github/workflows/herding_cats_explorer_tests.yml
@@ -1,11 +1,13 @@
 name: HerdingCats Unit Tests
-
 on:
   push:
     branches:
       - main
     paths:
       - "tests/**"
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test:
@@ -18,15 +20,32 @@ jobs:
         with:
           python-version: "3.11"
 
+      - name: Install Poetry
+        run: |
+          curl -sSL https://install.python-poetry.org | python3 -
+
+      - name: Configure Poetry
+        run: |
+          poetry config virtualenvs.create false
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pytest requests loguru pandas polars duckdb==1.0.0 boto3 pyarrow
+          poetry install --no-interaction
 
       - name: Create pytest.ini
         run: |
           echo "[pytest]" > pytest.ini
           echo "pythonpath = ." >> pytest.ini
 
-      - name: Run tests
-        run: pytest tests/
+      - name: Run tests with coverage
+        run: |
+          poetry run pytest tests/ --cov=./ --cov-report=xml
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./coverage.xml
+          verbose: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/tests/open_data_soft/test_ods_session_creation.py b/tests/open_data_soft/test_ods_session_creation.py
index 20fb552..f2b865d 100644
--- a/tests/open_data_soft/test_ods_session_creation.py
+++ b/tests/open_data_soft/test_ods_session_creation.py
@@ -19,7 +19,7 @@ def test_cat_session_creation(domain):
             session.base_url == f"https://{domain}"
         ), "OpenDataSoftCatSession should have the correct base URL"
     except Exception as e:
-        pytest.fail(f"Failed to create OpenDataSoftCatSession: {str(e)}")
+        pytest.fail(f"Failed to create OpenDataSoftCatSession!: {str(e)}")
 
 
 def test_cat_session_start(domain):