Skip OpenMPI 5-specific integration test on non-Linux platforms

Author: popescu-v

tests/test_khiops_integrations.py

@@ -284,6 +284,9 @@ def test_environment_error_on_bogus_khiops_env_script(self):
         output_msg = str(context.exception)
         self.assertEqual(output_msg, expected_msg)
 
+    @unittest.skipIf(
+        platform.system() != "Linux", "Skipping test for non-Linux platform"
+    )
     def test_runner_environment_for_openmpi5(self):
         """Test if KHIOPS_MPI_HOME is actually exported
         and HOME is corrected for OpenMPI 5+"""