Fix vpm intg test error

[sungchul2]

Summary

error log : https://github.com/openvinotoolkit/training_extensions/actions/runs/9251109941/job/25446735693?pr=3538

This error can occur due to https://github.com/openvinotoolkit/training_extensions/pull/3503/files#diff-6a8fe978fbe98dfb5da32355427c5782e3b5845eaf5a5479eb90d2f0c2893a07R220

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have ran e2e tests and there is no issues.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0