Add github workflow to run unit tests

Author: tennlee

.github/workflows/python-app.yml

@@ -0,0 +1,38 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Unit Tests
+
+on:
+  [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements-dev.txt
+    - name: Test with pytest
+      run: |
+        # editable is necessary as pytest will run against the installed
+        # package rather than the local files creating a coverage report of 0%
+        pip install -r requirements-dev.txt
+        pytest --cov-report=html --cov=packages/data --cov=packages/utils --cov=packages/pipeline --cov=packages/training
+
+