Have a separate GH action for tests

.github/workflows/test.yml

@@ -14,12 +14,10 @@ jobs:
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Code Style
+    - name: Install Dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8
-        flake8
-    - name: Tests
-      run: |
         pip install -r test/pip_reqs.txt
+    - name: Execute Tests
+      run: |
         python -m unittest discover