FIX: Dont use export command on Windows runner

Author: scott-huberty

.github/workflows/test.yaml

@@ -33,9 +33,10 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install -e ".[dev]"
     
-    - name: Set environment variables
+    - name: Set environment variables On macOS and Linux
+      if: runner.os != 'Windows'
       run: |
-          export EYELINKIO_USE_INSTALLED_EDFAPI=false
+        export EYELINKIO_USE_INSTALLED_EDFAPI=false
 
     - name: Run tests
       run: pytest