TODO(msl) in core/domain/exp_services_test.py: Test ExpSummaryModel changes if explorations are updated, # reverted, deleted, created, rights changed.

[cj-nwuju]

Verify ExpSummaryModel functionality post-exploration updates: tests should cover modifications, reversions, deletions, creations, and rights alterations. Ensure accurate handling of these scenarios, maintaining data integrity and system stability.

[seanlip]

Closing because this doesn't follow expected issue-filing conventions.