Added code coverage workflow

.github/workflows/test-coverage.yaml

@@ -0,0 +1,41 @@
+name: Test Coverage
+
+on:
+  push
+  pull_request
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+
+      - name: Install Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Install Poetry
+        uses: Gr1N/setup-poetry@v8
+        with:
+          poetry-version: '1.8.3'
+
+      - name: Install dependencies
+        run: poetry install
+
+      - name: Run tests coverage
+        run: |
+          poetry run pytest
+          poetry run coverage report
+          poetry run coverage xml
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: coverage.xml
+          flags: unittests
+          name: codecov-umbrella
+          fail_ci_if_error: true