test: skip on windows

Author: MichelleArk

tests/functional/defer_state/test_group_updates.py

@@ -1,4 +1,5 @@
 import os
+import sys
 
 import pytest
 
@@ -76,6 +77,7 @@ def test_changed_groups(self, project):
         assert model_2_result.group == "accounting"  # new group name!
 
 
+@pytest.mark.skipif(sys.platform == "win32", reason="Extremely slow on Windows")
 class TestPartiallyModifiedGroups(GroupSetup):
     def test_changed_groups(self, project):
         self.group_setup()