Add GHA to run tests on MacOS & Linux

Author: scott-huberty

.github/workflows/tests.yaml renamed to .github/workflows/lint.yaml

@@ -0,0 +1,31 @@
+name: Run Tests (No SDK)
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        python-version: [3.10]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install -e ".[dev]"
+      run:
+        name: Set environment variables
+        command: |
+          export EYELINKIO_USE_INSTALLED_EDFAPI=false
+
+    - name: Run tests
+      run: pytest