(Do net merge) Fix multi batch testing for visual prompting

[sungchul1]

Summary

Visual prompting tasks have only supported single batch test and prediction. This PR enables multi batch testing for those tasks.

How to test

$ tox -vv -e integration-test-visual_prompting
===== 18 passed, 13 skipped, 2 xfailed, 59 warnings in 1611.14s (0:26:51) =====

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