Add parallel tests for python versions and multi-os

.github/workflows/AstroPlasma.yml

@@ -1,4 +1,4 @@
-name: setup_python
+name: Module Testing
 
 on:
   pull_request:
@@ -9,13 +9,17 @@ on:
     branches:
     - main
 jobs:
-  python-env:
-    runs-on: ubuntu-latest
+  e2e_testing:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.8, 3.9, 3.10, 3.11]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
-        python-version: '3.11'
+        python-version: ${{ matrix.python-version }}
         cache: pip
     - run: |
         python -m pip install --upgrade pip