Added second job step with other python versions

.github/workflows/pytest_cov.yml

@@ -1,11 +1,11 @@
-name: PyTest + Coverage
+name: PyTest (3.8) + Coverage
 
 on:
   pull_request:
     branches: [ main, dev ]
 
 jobs:
-  pyTest:
+  pyTestCov:
     runs-on: ubuntu-latest
     steps:
       - name: Python Setup
@@ -30,3 +30,27 @@ jobs:
         run: xvfb-run pytest -v --cov=nw
       - name: Upload to Codecov
         uses: codecov/codecov-action@v1
+  pyTest:
+    strategy:
+      matrix:
+        python-version: [3.5, 3.6, 3.7]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Python Setup
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: Install Packages
+        run: sudo apt install xvfb libenchant-dev qt5-default
+      - name: Checkout Source
+        uses: actions/checkout@v2
+      - name: Install Dependencies
+        run: |
+          pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install PyVirtualDisplay
+          pip install pytest-xvfb
+          pip install pytest-qt
+      - name: Run Tests
+        run: xvfb-run pytest -v