Add workflow to run recategorize tests

Author: rvermeulen

.github/workflows/tooling-unit-tests.yml

@@ -0,0 +1,33 @@
+name: Tooling unit tests
+
+on:
+  push:
+    branches:
+      - main
+      - "rc/**"
+      - next
+  pull_request:
+    branches:
+      - main
+      - "rc/**"
+      - next
+
+jobs:
+  recategorization-tests:
+    name: Run Guideline Recategorization tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+
+      - name: Install Python dependencies
+        run: pip install -r scripts/guideline_recategorization/requirements.txt
+
+      - name: Run PyTest
+        run: |
+          pytest scripts/guideline_recategorization/recategorize_test.py