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mock.AssertExpectationsForObjects fix panic with wrong testObject type.

mock.AssertExpectationsForObjects fix panic with wrong testObject type.: a task in repo2rlenv-commit-runtime-v2 (Harbor dataset). Title: mock.AssertExpectationsForObjects panics when passed a mock.Mock by value instead of by reference

The task

**Title:** `mock.AssertExpectationsForObjects` panics when passed a `mock.Mock` by value instead of by reference

Part of FineEnvs/repo2rlenv-commit-runtime.