ci: Split functional and unit testing

This separation eases unit testing on more advanced Python versions by
generating different environments for functional and unit testing. Which was
impossible to do before due to lack of wxPython wheels.

.github/workflows/test.yml

@@ -7,23 +7,21 @@ on:
   pull_request:
 
 jobs:
-  test:
+  functional_test:
+    name: Functional testing with Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
         include:
-          # Set unit testing to false on all combinations
-          - unit-test: false
           - python-version: "3.8"
             wxpython-wheel: "ubuntu-22.04/wxPython-4.2.1-cp38-cp38-linux_x86_64.whl"
           - python-version: "3.9"
             wxpython-wheel: "ubuntu-22.04/wxPython-4.2.1-cp39-cp39-linux_x86_64.whl"
           - python-version: "3.10"
             wxpython-wheel: "ubuntu-22.04/wxPython-4.2.1-cp310-cp310-linux_x86_64.whl"
           - python-version: "3.11"
-            unit-test: true
             wxpython-wheel: "ubuntu-22.04/wxPython-4.2.1-cp311-cp311-linux_x86_64.whl"
 
     steps:
@@ -46,10 +44,33 @@ jobs:
           python -m pip install -r requirements.txt
 
       - name: Perform functional tests
+        # Simple test that but might be enough to detect regressions
+        # particularly those due to wxPython versions
         run: |
           ./pronterface.py -h
 
+  unit_test:
+    name: Unit testing with Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12", "3.13-dev"]
+        # Unit testing uses functions not available on Python < 3.11
+
+    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 Printrun dependencies for unit testing
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install pyserial
+
       - name: Perform unit tests
-        if: ${{ matrix.unit-test }}
         run: |
           python -m unittest discover tests