restoring test.yml file

.github/workflows/tests.yml

@@ -0,0 +1,29 @@
+name: Test steps
+on:
+  pull_request: {}
+  push:
+    branches: [ main ]
+jobs:
+  python_run_scripts:
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ['3.11']
+    runs-on: ubuntu-latest
+    steps:
+      - name: install mpi
+        run: sudo apt update && sudo apt-get install openmpi-bin openmpi-doc libopenmpi-dev 
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+      - name: setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.version }} # install the python version needed
+          cache: "pip"
+      - name: install icesat2-tracks using pip
+        run: pip install .
+      - name: install pytest
+        run: pip install pytest pytest-xdist pytest-sugar pytest-durations
+      - name: Run tests
+        run: pytest --capture=sys --verbose --showlocals --tb=long --numprocesses=auto tests/test_steps.py