Mark check_linux_kernel_is_readable as xfail on Ubuntu 22.04

Signed-off-by: Jono Yang <[email protected]>

src/extractcode/vmimage.py

@@ -10,10 +10,12 @@
 import logging
 import os
 import pathlib
+import platform
 import shutil
 import warnings
 
 import attr
+import pytest
 
 from commoncode import fileutils
 from commoncode.system import on_linux
@@ -74,6 +76,13 @@ def get_command(env_var=EXTRACTCODE_GUESTFISH_PATH_ENVVAR, command='guestfish'):
     return cmd_loc
 
 
+is_ubuntu_2204 = False
+if on_linux:
+    freedesktop_os_release = platform.freedesktop_os_release()
+    is_ubuntu_2204 = freedesktop_os_release['ID'] == 'ubuntu' and freedesktop_os_release['VERSION_ID'] == '22.04'
+
+
+@pytest.mark.xfail(is_ubuntu_2204, reason='Kernel is not readable on Ubuntu 22.04')
 def check_linux_kernel_is_readable():
     """
     Return True if the kernel executable file can be read. This is required by