Update GitHub Actions workflow to run unit tests

.github/workflows/unit-test.yml

@@ -0,0 +1,50 @@
+name: Run unit tests
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - "**"
+
+concurrency:
+  group: unit-test-${{ github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  PYTHONUNBUFFERED: "1"
+  FORCE_COLOR: "1"
+
+jobs:
+  run:
+    name: Python ${{ matrix.python-version }} on Linux
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        python-version: ["3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install packages
+        run: |
+          pip install --upgrade pip
+          pip install -e '.[tests]'
+          pip list
+
+      - name: Run tests
+        run: pytest -vv --cov --cov-report=xml
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          fail_ci_if_error: true
+          verbose: true