Fix race condition in reboot_check_test's renderer test and add lsusb/lspci timeout (BugFix)

[tomli380576]

Description

• Added a method to wait for graphical.target before running unity_support_test.
• Added timeouts for lspci and lsusb

Resolved issues

Race condition issue: #1631

There was also an issue reported by Hanhsuan where lspci and lsusb can get stuck and never return, so I added a timeout for their subprocess.run calls.

Documentation

The wait timeout can be controlled by --graphical-target-timeout <timeout_seconds>. This value is ignored when -g or --graphics are not specified. Default is 120 seconds

Tests

Unit tests

[codecov]

Codecov Report

Attention: Patch coverage is 95.45455% with 1 line in your changes missing coverage. Please review.

Project coverage is 49.02%. Comparing base (4305ba1) to head (e9aad4f).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
providers/base/bin/reboot_check_test.py	95.45%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1671      +/-   ##
==========================================
+ Coverage   48.99%   49.02%   +0.02%     
==========================================
  Files         372      372              
  Lines       40321    40341      +20     
  Branches     6811     6814       +3     
==========================================
+ Hits        19757    19777      +20     
  Misses      19842    19842              
  Partials      722      722              

Flag	Coverage Δ
provider-base	24.89% <95.45%> (+0.09%)	⬆️

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