feat(pt/test): add unit test for the compression of se_e3_tebd (deepmodeling#5060)

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## Summary by CodeRabbit

* **Tests**
* Added comprehensive test suite validating model compression
functionality, including consistency checks between original and
compressed models across multiple configurations, support for various
periodic boundary conditions, and integrated validation of physical
properties.

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Signed-off-by: OutisLi <137472077+OutisLi@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 2 people