Skip flaky test_mkp_install_with_legacy_lib_file

CMK-37895

Change-Id: I9398c2c8f00668ad8e272c0a8c26b55553bf44f0

Author: asyash26

tests/system/singlesite/bin/test_mkp.py

@@ -41,6 +41,7 @@ def test_mkp_non_existing(site: Site) -> None:
         site.check_output(["mkp", "nubbel"])
 
 
+@pytest.mark.skip(reason="Flaky test: CMK-37895")
 def test_mkp_install_with_legacy_lib_file(site: Site) -> None:
     """We're removing the link local/lib/check_mk -> local/lib/python3/cmk.