gamemode: `gamemoded -t` testing fails upon installation: ERROR: Initial ioprio value is non-default

Describe the bug Testing GameMode fails using default settings immediately upon installation.

To Reproduce Steps used to reproduce the behavior:

1. Install GameMode as per the documentation
2. run gamemoded -t
3. Test fails

: Loading config
Loading config file [/usr/share/gamemode/gamemode.ini]
: Running tests

:: Basic client tests
:: Passed

:: Dual client tests
gamemode request succeeded and is active
Quitting by request...
:: Passed

:: Gamemoderun and reaper thread tests
...Waiting for child to quit...
...Waiting for reaper thread (reaper_frequency set to 5 seconds)...
:: Passed

:: Supervisor tests
:: Passed

:: Feature tests
::: Verifying CPU governor setting
::: Passed
::: Verifying Scripts
::: Passed (no scripts configured to run)
::: Verifying GPU Optimisations
::: Passed (gpu optimisations not configured to run)
::: Verifying renice
::: Passed (no renice configured)
::: Verifying ioprio
ERROR: Initial ioprio value is non-default
Expected: 4, Was: 7
::: Failed!
ERROR: :: Failed!
: Tests Failed!

Expected behavior Expected test to pass as no changes has been made to the default configurations

System Info (please complete the following information):

• OS and version: Pop!_OS 22.04 LTS
• GameMode Version: 1.7