Unable get the current resolution cause max resolution job fail

[PeiYao Chang]

[Summary]

graphics/1_maximum_resolution_PCI_ID_0x46a6 test failed

I/O logs:

<string>:1: PyGIWarning: Gdk was imported without specifying a version first. Use gi.require_version('Gdk', '4.0') before import to ensure that the right version gets loaded.
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 32, in __getattr__
    return getattr(self._introspection_module, name)
  File "/usr/lib/python3/dist-packages/gi/module.py", line 123, in __getattr__
    raise AttributeError("%r object has no attribute %r" % (
AttributeError: 'gi.repository.Gdk' object has no attribute 'Screen'
Maximum resolution: 1920x1200
Current resolution: \nPlease switch to the maximum resolution \nfor every graphic tests

[Steps to reproduce]
1. Boot into OS
2. Run "checkbox-cli"
3. Choose "com.canonical.certification::client-cert-desktop-22-04-manual"
4. Run "graphics/1_maximum_resolution_UHD_Graphics_620" job in Graphics set

[Expected result]
Can get current resolution and test pass

[Actual result]
Test failed

[Failure rate]
2/2

[Additional information]
CID: 202112-29802
SKU: TRBA-DVT2-C4
Base Image: dell-bto-jammy-jellyfish-tentacool-X17-20220428-16
Product Name: XPS 13 9320
BIOS Version: 0.2.15
kernel-version: 5.15.0-23-generic