Run docker test only on Linux

Author: adeas31

.github/workflows/Test.yml

@@ -49,6 +49,7 @@ jobs:
       - run: "omc --version"
 
       - name: Pull OpenModelica docker image
+        if: runner.os != 'Windows'
         run: docker pull openmodelica/openmodelica:v1.25.0-minimal
 
       - name: Run pytest

tests/test_docker.py

@@ -1,6 +1,13 @@
+import sys
+import pytest
 import OMPython
 
+skip_on_windows = pytest.mark.skipif(
+    sys.platform.startswith("win"),
+    reason="OpenModelica Docker image is Linux-only; skipping on Windows.",
+)
 
+@skip_on_windows
 def test_docker():
     omcp = OMPython.OMCProcessDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
     om = OMPython.OMCSessionZMQ(omc_process=omcp)