Attempt at parallelising tests where possible

.github/workflows/django.yml

@@ -15,16 +15,22 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     strategy:
-      max-parallel: 1
       matrix:
-        python-version: [3.8]
+        test-group: ["RIGS.tests.test_unit", "RIGS.tests.test_models", "RIGS.tests.test_functional", "versioning.tests.test_versioning", "users.tests.test_users"]
+        parallel: true
+        include:
+            - test-group: "assets.tests.test_assets"
+              parallel: false
+            - test-group: "RIGS.tests.test_interaction"
+              parallel: false
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: 3.8
       - name: Setup Chromedriver
+        if: !${{ matrix.parallel }}
         run: |
           wget https://chromedriver.storage.googleapis.com/2.36/chromedriver_linux64.zip
           unzip chromedriver_linux64.zip
@@ -43,6 +49,26 @@ jobs:
           python manage.py check
           python manage.py makemigrations --check --dry-run
       - name: Run Tests
-        run: |
-          coverage run manage.py test --verbosity=2
-          coveralls --service=github
+         if: !${{ matrix.parallel }}
+         run: coverage run manage.py test ${{ matrix.test-group }} --verbosity=2
+      - name: Run Tests (Parallel)
+         if: ${{ matrix.parallel }}
+         run: coverage run manage.py test ${{ matrix.test-group }} --parallel --verbosity=2
+      - name: Upload Coverage
+        run: coveralls
+        env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+            COVERALLS_FLAG_NAME: ${{ matrix.test-group }}
+            COVERALLS_PARALLEL: true
+   coveralls:
+    name: Indicate completion to coveralls.io
+    needs: build
+    runs-on: ubuntu-latest
+    container: python:3-slim
+    steps:
+    - name: Finished
+      run: |
+        pip3 install --upgrade coveralls
+        coveralls --service=github --finish
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}