fix abs path bug for sweeps tests code

[asandhupatlaTT]

Ticket

Link to Github Issue
#16284

Problem description

Provide context for the problem.
Custom Abs path is provided which fails sweeps tests for everyone

What's changed

Describe the approach used to solve the problem.
Summarize the changes made and its impact.
change abs path to rel path

Checklist

• Post commit CI passes
• Blackhole Post commit (if applicable)
• Model regression CI testing passes (if applicable)
• Device performance regression CI testing passes (if applicable)
• (For models and ops writers) Full new models tests passes
• New/Existing tests provide coverage for changes