Fix bad CHECKBOX_RUNTIME value in gl-support and reboot tests (Bugfix)

[tomli380576]

Description

There was an issue with $CHECKBOX_RUNTIME having multiple paths at runtime and when passed to either Path() or plain strings, will cause the resulting paths to be unusable. This PR fixes this problem by explicitly constructing CHECKBOX_RUNTIME.

Resolved issues

$CHECKBOX_RUNTIME looks like this:

$ echo $CHECKBOX_RUNTIME

/snap/checkbox24/1417 /snap/checkbox/20486/checkbox-runtime /snap/checkbox/20486/providers/checkbox-provider-certification-client /snap/checkbox/20486/providers/checkbox-provider-certification-server /snap/checkbox/20486/providers/checkbox-provider-checkbox /snap/checkbox/20486/providers/checkbox-provider-docker /snap/checkbox/20486/providers/checkbox-provider-gpgpu /snap/checkbox/20486/providers/checkbox-provider-resource /snap/checkbox/20486/providers/checkbox-provider-sru /snap/checkbox/20486/providers/checkbox-provider-tpm2

but we only want /snap/checkbox/20486/checkbox-runtime, which can be constructed with $SNAP/checkbox-runtime.

Also fixed the issue with CHECKBOX_RUNTIME / GLMARK2_DATA_PATH resolving to just GLMARK2_DATA_PATH. Originally GLMARK2_DATA_PATH had a leading slash which would override CHECKBOX_RUNTIME when using the truediv operator /.

Documentation

Tests

[Copilot]

Pull request overview

This PR fixes an issue where $CHECKBOX_RUNTIME environment variable contains multiple space-separated paths, causing problems when used to construct Path objects. The fix explicitly constructs the correct checkbox runtime path instead of relying on the multi-path environment variable.

Changes:

• Updated path construction in gl-support test to use an explicit hardcoded path instead of concatenating CHECKBOX_RUNTIME with GLMARK2_DATA_PATH

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[Copilot]

Pull request overview

Copilot reviewed 1 out of 3 changed files in this pull request and generated 2 comments.

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[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.48%. Comparing base (4ace22e) to head (d921c87).

Files with missing lines	Patch %	Lines
providers/base/bin/gl_support.py	42.85%	3 Missing and 1 partial ⚠️
providers/base/bin/reboot_check_test.py	55.55%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2292      +/-   ##
==========================================
- Coverage   54.49%   54.48%   -0.02%     
==========================================
  Files         409      409              
  Lines       43970    43977       +7     
  Branches     8100     8104       +4     
==========================================
- Hits        23961    23960       -1     
- Misses      19190    19196       +6     
- Partials      819      821       +2     

Flag	Coverage Δ
provider-base	31.39% <50.00%> (-0.02%)	⬇️

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