github workflow for tests

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Python Tests on M1 Mac
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: macos-14
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.12'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .
+    - name: Run tests
+      run: python -m exo.inference.test_inference_engine